For example : Gantt chart, Task usage, Team planner, resource sheet
Also there are number of places from where we can pick up the view
i.e. Task tab , Resource tab ,view tab, Status Bar , Quick access toolbar
From status Bar we can choose Gantt chart, Task usage, Team planner, resource sheet
Below picture showing view selection from Task tab.
We can also set a view as favorite view [File-> options-> general -> Default view]