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Peter Agyekum
What is Modules?
A module is a place where we can group components, directives, services, and pipes. Module decides whether the components, directives, etc can be used by other modules, by exporting or hiding these elements. Every module is defined with a @NgModule decorator. By default, modules are of two types: .Root Module .Feature Module. Every application can have only one root module whereas, it can have one or more feature modules. A root module imports BrowserModule, whereas a feature module imports CommonModule.
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