Use Case Family allows you stack your playbooks under different categories based on the use case they serve.
Examples of some use case families are
Known Threats
APTs
Compromised Insiders
Third-party Threats
Phishing
VPN
Cloud etc.
To manage the list of Use Case Family, open the Main Menu, and select Administration. Once the Administration section is displayed, select the Apps tab at the top of the page, and then Use Case Family under that.
Main Menu > Administration > Apps > Use Case Family
An administrator has a right to Add, Edit, Enable or Disable any Use Case Family.