How to Angular4 and Yii2 ?

How to do right and robust application with Angular4 as frontend and YII2 as backend ?

Can anyone make a simple tutorial just how to connect this and use this in right "combination".

On Yii site it’s same REST API as with any other client side framework that is getting data from API. It’s described well in docs. How to connect particularly Angular 4 is to be figured out from Angular docs on working with REST APIs.