Angular Form is a Web Form where user enter the data and click on submit button then data is passed to business logic (means data passed to Server API or any other logic implement).
There are two types of forms in the angular.
1) Template Driven Form
2) Model-Driven Form (Reactive Form)
1) Template Driven form
when you used template driven form then most of the work is done in the component html file like app.component.html or any custom component template file like users.component.html file.
2) Model Driven form (Reactive Form)
when you used Model driven form then most of the work is done in the component class file like app.component.ts or any custom component template file like users.component.ts file.