As part of your RightsZone subscription, you get access to lots of training materials from the Salesforce eco system - Trailhead. Log in using your RightsZone login to access Trailhead and become a 'Trailblazer'!
The link below takes you to the Get to Know List Views unit and gives you a quick overview of list views and how they work
https://trailhead.salesforce.com/content/learn/modules/list-views-quick-look/get-to-know-list-views