What are Angular Modules

In Angular Modules are the one which combine the various units like components, service, directives etc into a full application. Every Angular application should have at least one Module called the root module which binds the units together and bootstraps the application. Larger applications can have additional modules for better modularity and maintainability.

Angular modules are classes decorated with the @NgModule decorator. The following are some of the important properties declared while creating an Angular Module.