Global Garage Door Replacement Parts Market Research Report 2012-2024
SUMMARY
Garage Door Replacement Parts is the accessories that used for garage door replacement; the main replacement parts include opener, handles, hinges, extension springs, torsion springs, decorative hardware and others. The report includes the data of replacement accessories for the garage door.
The global Garage Door Replacement Parts market will reach xxx Million USD in 2019 with CAGR xx% 2019-2024. The objective of report is to define, segment, and project the market on the basis of product type, application, and region, and to describe the content about the factors influencing market dynamics, policy, economic, technology and market entry etc.
Based on products type, the report describes major products type share of regional market. Products mentioned as follows:
Garage Door Replacement Parts is the accessories that used for garage door replacement; the main replacement parts include opener, handles, hinges, extension springs, torsion springs, decorative hardware and others. The report includes the data of replacement accessories for the garage door.
The global Garage Door Replacement Parts market will reach xxx Million USD in 2019 with CAGR xx% 2019-2024. The objective of report is to define, segment, and project the market on the basis of product type, application, and region, and to describe the content about the factors influencing market dynamics, policy, economic, technology and market entry etc.
Based on products type, the report describes major products type share of regional market. Products mentioned as follows:
- Metal Parts
- Electromechanical Parts
- Chamberlain Group
- Overhead Door
- Novoferm
- Amarr
- SOMMER
- LiftLogix
- Prime-Line
- Koala Canada
- Dalian Seaside
- Skylink
- FORESEE
- Teckentrup
- Marantec
- Dalian Master Door
- Industrial Spring
- Came S.p.A.
- Steel-Craft
- Garaga
- SWR Group
- ADH Guardian
- Residential
- Commercial
- Asia-Pacific
- North America
- Europe
- South America
- Middle East & Africa
1 MARKET OVERVIEW
1.1 Objectives of Research
1.1.1 Definition
1.1.2 Specifications
1.2 Market Segment
1.2.1 by Type
1.2.1.1 Metal Parts
1.2.1.2 Electromechanical Parts
1.2.2 by Application
1.2.2.1 Residential
1.2.2.2 Commercial
1.2.3 by Regions
2 INDUSTRY CHAIN
2.1 Industry Chain Structure
2.2 Upstream
2.3 Market
2.3.1 SWOT
2.3.2 Dynamics
3 ENVIRONMENTAL ANALYSIS
3.1 Policy
3.2 Economic
3.3 Technology
3.4 Market Entry
4 MARKET SEGMENTATION BY TYPE
4.1 Market Size
4.1.1 Metal Parts Market, 2013-2018
4.1.2 Electromechanical Parts Market, 2013-2018
4.2 Market Forecast
4.2.1 Metal Parts Market Forecast, 2019-2024
4.2.2 Electromechanical Parts Market Forecast, 2019-2024
5 MARKET SEGMENTATION BY APPLICATION
5.1 Market Size
5.1.1 Residential Market, 2013-2018
5.1.2 Commercial Market, 2013-2018
5.2 Market Forecast
5.2.1 Residential Market Forecast, 2019-2024
5.2.2 Commercial Market Forecast, 2019-2024
6 MARKET SEGMENTATION BY REGION
6.1 Market Size
6.1.1 Asia-Pacific
6.1.1.1 Asia-Pacific Market, 2012-2018
6.1.1.2 Asia-Pacific Market by Type
6.1.1.3 Asia-Pacific Market by Application
6.1.2 North America
6.1.2.1 North America Market, 2012-2018
6.1.2.2 North America Market by Type
6.1.2.3 North America Market by Application
6.1.3 Europe
6.1.3.1 Europe Market, 2012-2018
6.1.3.2 Europe Market by Type
6.1.3.3 Europe Market by Application
6.1.4 South America
6.1.4.1 South America Market, 2012-2018
6.1.4.2 South America Market by Type
6.1.4.3 South America Market by Application
6.1.5 Middle East & Africa
6.1.5.1 Middle East & Africa Market, 2012-2018
6.1.5.2 Middle East & Africa Market by Type
6.1.5.3 Middle East & Africa Market by Application
6.2 Market Forecast
6.2.1 Asia-Pacific Market Forecast, 2019-2024
6.2.2 North America Market Forecast, 2019-2024
6.2.3 Europe Market Forecast, 2019-2024
6.2.4 South America Market Forecast, 2019-2024
6.2.5 Middle East & Africa Market Forecast, 2019-2024
7 MARKET COMPETITIVE
7.1 Global Market by Vendors
7.2 Market Concentration
7.3 Price & Factors
7.4 Marketing Channel
8 MAJOR VENDORS
8.1 Chamberlain Group
8.2 Overhead Door
8.3 Novoferm
8.4 Amarr
8.5 SOMMER
8.6 LiftLogix
8.7 Prime-Line
8.8 Koala Canada
8.9 Dalian Seaside
8.10 Skylink
8.11 FORESEE
8.12 Teckentrup
8.13 Marantec
8.14 Dalian Master Door
8.15 Industrial Spring
8.16 Came S.p.A.
8.17 Steel-Craft
8.18 Garaga
8.19 SWR Group
8.20 ADH Guardian
9 CONCLUSION
1.1 Objectives of Research
1.1.1 Definition
1.1.2 Specifications
1.2 Market Segment
1.2.1 by Type
1.2.1.1 Metal Parts
1.2.1.2 Electromechanical Parts
1.2.2 by Application
1.2.2.1 Residential
1.2.2.2 Commercial
1.2.3 by Regions
2 INDUSTRY CHAIN
2.1 Industry Chain Structure
2.2 Upstream
2.3 Market
2.3.1 SWOT
2.3.2 Dynamics
3 ENVIRONMENTAL ANALYSIS
3.1 Policy
3.2 Economic
3.3 Technology
3.4 Market Entry
4 MARKET SEGMENTATION BY TYPE
4.1 Market Size
4.1.1 Metal Parts Market, 2013-2018
4.1.2 Electromechanical Parts Market, 2013-2018
4.2 Market Forecast
4.2.1 Metal Parts Market Forecast, 2019-2024
4.2.2 Electromechanical Parts Market Forecast, 2019-2024
5 MARKET SEGMENTATION BY APPLICATION
5.1 Market Size
5.1.1 Residential Market, 2013-2018
5.1.2 Commercial Market, 2013-2018
5.2 Market Forecast
5.2.1 Residential Market Forecast, 2019-2024
5.2.2 Commercial Market Forecast, 2019-2024
6 MARKET SEGMENTATION BY REGION
6.1 Market Size
6.1.1 Asia-Pacific
6.1.1.1 Asia-Pacific Market, 2012-2018
6.1.1.2 Asia-Pacific Market by Type
6.1.1.3 Asia-Pacific Market by Application
6.1.2 North America
6.1.2.1 North America Market, 2012-2018
6.1.2.2 North America Market by Type
6.1.2.3 North America Market by Application
6.1.3 Europe
6.1.3.1 Europe Market, 2012-2018
6.1.3.2 Europe Market by Type
6.1.3.3 Europe Market by Application
6.1.4 South America
6.1.4.1 South America Market, 2012-2018
6.1.4.2 South America Market by Type
6.1.4.3 South America Market by Application
6.1.5 Middle East & Africa
6.1.5.1 Middle East & Africa Market, 2012-2018
6.1.5.2 Middle East & Africa Market by Type
6.1.5.3 Middle East & Africa Market by Application
6.2 Market Forecast
6.2.1 Asia-Pacific Market Forecast, 2019-2024
6.2.2 North America Market Forecast, 2019-2024
6.2.3 Europe Market Forecast, 2019-2024
6.2.4 South America Market Forecast, 2019-2024
6.2.5 Middle East & Africa Market Forecast, 2019-2024
7 MARKET COMPETITIVE
7.1 Global Market by Vendors
7.2 Market Concentration
7.3 Price & Factors
7.4 Marketing Channel
8 MAJOR VENDORS
8.1 Chamberlain Group
8.2 Overhead Door
8.3 Novoferm
8.4 Amarr
8.5 SOMMER
8.6 LiftLogix
8.7 Prime-Line
8.8 Koala Canada
8.9 Dalian Seaside
8.10 Skylink
8.11 FORESEE
8.12 Teckentrup
8.13 Marantec
8.14 Dalian Master Door
8.15 Industrial Spring
8.16 Came S.p.A.
8.17 Steel-Craft
8.18 Garaga
8.19 SWR Group
8.20 ADH Guardian
9 CONCLUSION
LIST OF TABLES
Table Product Specifications of Garage Door Replacement Parts
Table Products Segment of Garage Door Replacement Parts
Table Metal Parts Overview
Table Electromechanical Parts Overview
Table Global Garage Door Replacement Parts Market by Type, 2011-2022 (USD Million)
Table Application Segment of Garage Door Replacement Parts
Table Residential Overview
Table Commercial Overview
Table Global Garage Door Replacement Parts Market by Application, 2011-2022 (USD Million)
Table Global Garage Door Replacement Parts Market by Region, 2011-2022 (USD Million)
Table Cost of Garage Door Replacement Parts
Table Market Dynamics
Table Policy of Garage Door Replacement Parts
Table GDP of Major Countries
Table Metal Parts CAGR by Revenue and Volume, 2012-2018
Table Electromechanical Parts CAGR by Revenue and Volume, 2012-2018
Table Metal Parts CAGR by Revenue and Volume, 2012-2024
Table Electromechanical Parts CAGR by Revenue and Volume, 2012-2024
Table Residential CAGR by Revenue and Volume, 2012-2018
Table Commercial CAGR by Revenue and Volume, 2012-2018
Table Global Garage Door Replacement Parts Market by Vendors, 2012-2018 (USD Million)
Table Global Garage Door Replacement Parts Market by Vendors, 2012-2018 (in Volume)
Table Global Garage Door Replacement Parts Market Share by Vendors, 2012-2018 (USD Million)
Table Global Garage Door Replacement Parts Market Share by Vendors, 2012-2018 (in Volume)
Table Price Factors List
Table Chamberlain Group Profile List
Table Microecological Modulator Operating Data of Chamberlain Group (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Overhead Door Profile List
Table Microecological Modulator Operating Data of Overhead Door (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Novoferm Profile List
Table Microecological Modulator Operating Data of Novoferm (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Amarr Profile List
Table Microecological Modulator Operating Data of Amarr (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table SOMMER Profile List
Table Microecological Modulator Operating Data of SOMMER (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table LiftLogix Profile List
Table Microecological Modulator Operating Data of LiftLogix (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Prime-Line Profile List
Table Microecological Modulator Operating Data of Prime-Line (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Koala Canada Profile List
Table Microecological Modulator Operating Data of Koala Canada (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Dalian Seaside Profile List
Table Microecological Modulator Operating Data of Dalian Seaside (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Skylink Profile List
Table Microecological Modulator Operating Data of Skylink (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table FORESEE Profile List
Table Microecological Modulator Operating Data of FORESEE (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Teckentrup Profile List
Table Microecological Modulator Operating Data of Teckentrup (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Marantec Profile List
Table Microecological Modulator Operating Data of Marantec (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Dalian Master Door Profile List
Table Microecological Modulator Operating Data of Dalian Master Door (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Industrial Spring Profile List
Table Microecological Modulator Operating Data of Industrial Spring (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Came S.p.A. Profile List
Table Microecological Modulator Operating Data of Came S.p.A. (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Steel-Craft Profile List
Table Microecological Modulator Operating Data of Steel-Craft (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Garaga Profile List
Table Microecological Modulator Operating Data of Garaga (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table SWR Group Profile List
Table Microecological Modulator Operating Data of SWR Group (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table ADH Guardian Profile List
Table Microecological Modulator Operating Data of ADH Guardian (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Product Specifications of Garage Door Replacement Parts
Table Products Segment of Garage Door Replacement Parts
Table Metal Parts Overview
Table Electromechanical Parts Overview
Table Global Garage Door Replacement Parts Market by Type, 2011-2022 (USD Million)
Table Application Segment of Garage Door Replacement Parts
Table Residential Overview
Table Commercial Overview
Table Global Garage Door Replacement Parts Market by Application, 2011-2022 (USD Million)
Table Global Garage Door Replacement Parts Market by Region, 2011-2022 (USD Million)
Table Cost of Garage Door Replacement Parts
Table Market Dynamics
Table Policy of Garage Door Replacement Parts
Table GDP of Major Countries
Table Metal Parts CAGR by Revenue and Volume, 2012-2018
Table Electromechanical Parts CAGR by Revenue and Volume, 2012-2018
Table Metal Parts CAGR by Revenue and Volume, 2012-2024
Table Electromechanical Parts CAGR by Revenue and Volume, 2012-2024
Table Residential CAGR by Revenue and Volume, 2012-2018
Table Commercial CAGR by Revenue and Volume, 2012-2018
Table Global Garage Door Replacement Parts Market by Vendors, 2012-2018 (USD Million)
Table Global Garage Door Replacement Parts Market by Vendors, 2012-2018 (in Volume)
Table Global Garage Door Replacement Parts Market Share by Vendors, 2012-2018 (USD Million)
Table Global Garage Door Replacement Parts Market Share by Vendors, 2012-2018 (in Volume)
Table Price Factors List
Table Chamberlain Group Profile List
Table Microecological Modulator Operating Data of Chamberlain Group (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Overhead Door Profile List
Table Microecological Modulator Operating Data of Overhead Door (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Novoferm Profile List
Table Microecological Modulator Operating Data of Novoferm (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Amarr Profile List
Table Microecological Modulator Operating Data of Amarr (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table SOMMER Profile List
Table Microecological Modulator Operating Data of SOMMER (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table LiftLogix Profile List
Table Microecological Modulator Operating Data of LiftLogix (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Prime-Line Profile List
Table Microecological Modulator Operating Data of Prime-Line (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Koala Canada Profile List
Table Microecological Modulator Operating Data of Koala Canada (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Dalian Seaside Profile List
Table Microecological Modulator Operating Data of Dalian Seaside (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Skylink Profile List
Table Microecological Modulator Operating Data of Skylink (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table FORESEE Profile List
Table Microecological Modulator Operating Data of FORESEE (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Teckentrup Profile List
Table Microecological Modulator Operating Data of Teckentrup (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Marantec Profile List
Table Microecological Modulator Operating Data of Marantec (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Dalian Master Door Profile List
Table Microecological Modulator Operating Data of Dalian Master Door (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Industrial Spring Profile List
Table Microecological Modulator Operating Data of Industrial Spring (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Came S.p.A. Profile List
Table Microecological Modulator Operating Data of Came S.p.A. (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Steel-Craft Profile List
Table Microecological Modulator Operating Data of Steel-Craft (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Garaga Profile List
Table Microecological Modulator Operating Data of Garaga (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table SWR Group Profile List
Table Microecological Modulator Operating Data of SWR Group (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table ADH Guardian Profile List
Table Microecological Modulator Operating Data of ADH Guardian (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
LIST OF FIGURES
Figure Garage Door Replacement Parts Picture
Figure Industry Chain Structure of Garage Door Replacement Parts
Figure SWOT of Garage Door Replacement Parts
Figure Metal Parts Market Size and Growth, 2012-2018 (USD Million)
Figure Metal Parts Market Size and Growth, 2012-2018 (in Volume)
Figure Electromechanical Parts Market Size and Growth, 2012-2018 (USD Million)
Figure Electromechanical Parts Market Size and Growth, 2012-2018 (in Volume)
Figure Metal Parts Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Metal Parts Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Electromechanical Parts Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Electromechanical Parts Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Residential Market Size and Growth, 2012-2018 (USD Million)
Figure Market Size and Growth, 2012-2018 (in Volume)
Figure Commercial Market Size and Growth, 2012-2018 (USD Million)
Figure Market Size and Growth, 2012-2018 (in Volume)
Figure Asia-Pacific Market Size and Growth, 2012-2018 (USD Million)
Figure Asia-Pacific Market Size and Growth, 2012-2018 (in Volume)
Figure Asia-Pacific Market Size by Type
Figure Asia-Pacific Market Share by Type
Figure Asia-Pacific Market Size by Application
Figure Asia-Pacific Market Share by Application
Figure North America Market Size and Growth, 2012-2018 (USD Million)
Figure North America Market Size and Growth, 2012-2018 (in Volume)
Figure North America Market Size by Type
Figure North America Market Share by Type
Figure North America Market Size by Application
Figure North America Market Share by Application
Figure Europe Market Size and Growth, 2012-2018 (USD Million)
Figure Europe Market Size and Growth, 2012-2018 (in Volume)
Figure Europe Market Size by Type
Figure Europe Market Share by Type
Figure Europe Market Size by Application
Figure Europe Market Share by Application
Figure South America Market Size and Growth, 2012-2018 (USD Million)
Figure South America Market Size and Growth, 2012-2018 (in Volume)
Figure South America Market Size by Type
Figure South America Market Share by Type
Figure South America Market Size by Application
Figure South America Market Share by Application
Figure Middle East & Africa Market Size and Growth, 2012-2018 (USD Million)
Figure Middle East & Africa Market Size and Growth, 2012-2018 (in Volume)
Figure Middle East & Africa Market Size by Type
Figure Middle East & Africa Market Share by Type
Figure Middle East & Africa Market Size by Application
Figure Middle East & Africa Market Share by Application
Figure Asia-Pacific Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Asia-Pacific Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure North America Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure North America Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Europe Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Europe Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure South America Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure South America Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Middle East & Africa Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Middle East & Africa Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Garage Door Replacement Parts Market Concentration by Region
Figure Marketing Channels Overview
Figure Garage Door Replacement Parts Picture
Figure Industry Chain Structure of Garage Door Replacement Parts
Figure SWOT of Garage Door Replacement Parts
Figure Metal Parts Market Size and Growth, 2012-2018 (USD Million)
Figure Metal Parts Market Size and Growth, 2012-2018 (in Volume)
Figure Electromechanical Parts Market Size and Growth, 2012-2018 (USD Million)
Figure Electromechanical Parts Market Size and Growth, 2012-2018 (in Volume)
Figure Metal Parts Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Metal Parts Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Electromechanical Parts Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Electromechanical Parts Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Residential Market Size and Growth, 2012-2018 (USD Million)
Figure Market Size and Growth, 2012-2018 (in Volume)
Figure Commercial Market Size and Growth, 2012-2018 (USD Million)
Figure Market Size and Growth, 2012-2018 (in Volume)
Figure Asia-Pacific Market Size and Growth, 2012-2018 (USD Million)
Figure Asia-Pacific Market Size and Growth, 2012-2018 (in Volume)
Figure Asia-Pacific Market Size by Type
Figure Asia-Pacific Market Share by Type
Figure Asia-Pacific Market Size by Application
Figure Asia-Pacific Market Share by Application
Figure North America Market Size and Growth, 2012-2018 (USD Million)
Figure North America Market Size and Growth, 2012-2018 (in Volume)
Figure North America Market Size by Type
Figure North America Market Share by Type
Figure North America Market Size by Application
Figure North America Market Share by Application
Figure Europe Market Size and Growth, 2012-2018 (USD Million)
Figure Europe Market Size and Growth, 2012-2018 (in Volume)
Figure Europe Market Size by Type
Figure Europe Market Share by Type
Figure Europe Market Size by Application
Figure Europe Market Share by Application
Figure South America Market Size and Growth, 2012-2018 (USD Million)
Figure South America Market Size and Growth, 2012-2018 (in Volume)
Figure South America Market Size by Type
Figure South America Market Share by Type
Figure South America Market Size by Application
Figure South America Market Share by Application
Figure Middle East & Africa Market Size and Growth, 2012-2018 (USD Million)
Figure Middle East & Africa Market Size and Growth, 2012-2018 (in Volume)
Figure Middle East & Africa Market Size by Type
Figure Middle East & Africa Market Share by Type
Figure Middle East & Africa Market Size by Application
Figure Middle East & Africa Market Share by Application
Figure Asia-Pacific Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Asia-Pacific Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure North America Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure North America Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Europe Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Europe Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure South America Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure South America Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Middle East & Africa Market Estimates and Forecasts, 2019-2024 (USD Million)
Figure Middle East & Africa Market Estimates and Forecasts, 2019-2024 (in Volume)
Figure Garage Door Replacement Parts Market Concentration by Region
Figure Marketing Channels Overview
