The Agencies tab displays all your Agencies and their information. You can add new agencies by clicking the Plus icon.
You can also add an Agent to the Agency by clicking onto it, clicking the three dots and choosing 'Add New Agent To This Agency'.
The bottom tabs show:
Agents - all the Agents within that agency, including the main agent highlighted with an asterisk
Activities - all the activities that have occurred with that agency, such as tasks or updates.
Applications - all applications they've submitted.
Find out more about adding or editing Agencies.