Often when we open an application, we see a screen that tells us about it or about some recently added features. The screen may consist of several pages that you have to flip through one by one. There may be a button to skip it all and go to the main interface of the application. This is commonly referred to as an onboarding screen.

It is bad practice to do so.

A long read in my blog:
https://ilyabirman.net/meanwhile/all/onboarding/