@gargkrishna I Agree with @arunpatidar The Page Component forms the
basis of all pages designed with the Core Components as well as editable
templates. By using the Page Component, headers, footers, and the
structure of the page can be defined as a template using the other Core
Components
https://experienceleague.adobe.com/docs/experience-manager-core-components/using/components/page.html?lang=en#:~:text=The%20Page%20Component%20forms%20the,using%20the%20other%20Core%20Components.