Which three items are available in the mobile navigation menu?

Lightning app pages, Chatter, and dashboards are three items that are available in the mobile navigation menu. The mobile navigation menu allows users to access different items in the Salesforce mobile app, such as objects, apps, or utilities. Users can customize their mobile navigation menu by adding or removing items and changing their order. References: https://help.salesforce.com/s/articleView?id=sf.app_nav_setup.htm &type=5