‘Units’ section is where you can add/remove, edit and check the status of your units and buildings.

Single units could be grouped under the buildings. One building can contain multiple single units. Under the buildings, you can also send emails to all tenants that have active rental agreements under the buildings. 

From each building's page, you can send emails to tenants with active rental agreements. 

Units

Units are single units in your portfolio. Here you can add/remove, or edit your single units.

Buildings 

Buildings contain your units. Here you can add a new building to your portfolio or manage existing ones.