(SPAs) single page applications

A single-page application (SPA) is a web application or web site that fits on a single web page with the goal of providing a user experience similar to that of a desktop application.Interaction with the single page application often involves dynamic communication with the web server behind the scenes.

Why Angular is called a single page

AngularJS is a modern JavaScript framework from Google commonly used to work with Single Page Applications (SPAs). … The library is called Angular because HTML uses angular-shaped brackets. AngularJS is not a DOM manipulation library like jQuery.

For more info: https://en.wikipedia.org/wiki/Single-page_application