In this article, you will learn how to create custom Application Pages in SharePoint 2013.
Introduction An application page is a web page that is used in a SharePoint website. An application page contains content that is merged with a SharePoint Master page. A master page enables application pages to share the same appearance and behavior as other pages on a SharePoint site. We can create application pages in Visual Studio by adding an Application Page item to a SharePoint project. In this article, I will explain how to create Application Page in SharePoint 2013, using Visual Studio. Pre-Requisites
Create Application Page
Summary - Thus, you have learned how to create Application Page in SharePoint 2013, using Visual Studio.
SharePoint Framework (SPFx) A Developers Guide