Which item is available in a Lightning App where visibility is limited to the Salesforce...

Utility bar is a feature that is available in a Lightning app where visibility is limited to the Salesforce mobile app. Utility bar allows users to access common productivity tools, such as notes, history, recent items, and more, from any page in the app. References: https://help.salesforce.com/s/articleView?id=sf.app_builder_utility_bar.htm &type=5