What is the definition for master page in asp.net ?

Suitable Answer: Template on which the elements (such as headers, footers, page numbers, etc.) to appear on every page of a document are represented.

More about this: The master page is a feature that enables you to define common structure and interface markup elements for your Web site, including headers, footers, style definitions, or navigation bars. The master page can be shared by any of the pages in your Web site, called the Content Page, and removes need to duplicate code for shared elements within your Web site.