Google analytics is a very powerful tool. Jeff and Uros at Jeffalytics created ten videos that will help a new user of Google Analytics learn the basics.  As Uros notes, this is not an "ultimate or definitive guide".  These are informative videos that discuss the following topics in the context of Google Analytics:

1. Where Does My Traffic Come from? 
2. Why do I need to setup Goals in Google Analytics?
3. Periodic Table of Google Analytics – What’s it good for?
4. What do I get out of Demographic reports?
5. How do I get clean data in Google Analytics?
6. How to use Google Analytics to generate more leads?
7. The secrets of presenting Google Analytics data to stakeholders.
8. How to use Google Analytics to project your marketing budget?
9. What is Google Analytics 360 Suite?
10. Interview with Google Analytics evangelist Krista Seiden on Jeffalytics podcast.

These videos are an excellent starting point for anyone interested in learning about Google Analytics. 

https://www.jeffalytics.com/how-to-use-google-analytics-videos/