What is the function of Web-parts used in Sharepoint 2010?

What is the function of Web-parts used in Sharepoint 2010?

- Web-parts are the sections that are used in a page in Sharepoint 2010. These are in relation to the sites that are being executed in the end.

- The sections that are used in the web-parts are the user interface widgets and it is used to display the content defined in the settings.

- The sections also display the items after taking it from the list/libraries and ready to customize in the Sharepoint 2010 only.

- Web-parts provide the access to many features like search in Sharepoint 2010 platform.

- Web-parts are uploaded by the end user as a packaged and sandboxed feature. The vendors that provide web-parts for intranet sites are from 3rd party only.