Resource Pools are anonymous or group resources. For example 8 tennis courts, 4 batting cages, or a group of 12 students for a tour.
From the Welcome Screen, select Resource Pools Set Up:
Click the Add button at the bottom Enter a Resource Pool Name, this is for internal identification only. Enter a Display Name, this is the name that appears on the scheduler. Enter the Pool Size. Click Save.
Click the Schedule icon next to the Resource Pool you just added. (Optional) For multiple locations, first select the location for this Resource Pool. Click the Edit button at the bottom of the screen. Highlight the hours when the Resource Pool is available by clicking and dragging the mouse over time blocks. Click the Save button at the bottom of the screen. Click the "X" on the upper right window to close it.
(click image to enlarge)
Continue this process until all Resource Pools are set up for all locations.