"Help" for Impress?

I am new to this app. Is there such a thing as a general overview or beginner’s guide? if so,
how can it be accessed?

Thanks

In the future, please search online before asking a question here. See Guidelines for asking - #4 by jimk.

@psailor You may want to check out the LO documentation (click here). Also don’t miss the Getting Started with Impress guide (Chapter 6 as mentioned by Jim K) close to the top of the same page.

A search for “libreoffice impress beginner’s guide” produces plenty of good results. For example: