Salesforce1 is a mobile-based application used to create, update, and delete records from anywhere. You can also view reports and dashboards using it. This is the updated version of the legacy application Salesforce Chatter. Users can also use Salesforce Chatter through this application.
The Salesforce1 mobile application comes with various features. The following are a few actions that a user can perform through the Salesforce1 mobile app:
Create, update, and delete records
Access publisher actions
Submit records for approval
Access the custom list view
Access Salesforce Chatter
Access all your custom objects and apps through the navigation menu
Users can also access Visualforce pages and components in the navigation menu and in records
Access Salesforce files from the Salesforce1 app
Access events from the navigation menu