Booking tags allows you to supplement the "Status" of a booking with other attributes or categories for operational purposes.
Configuring available tags
A user with admin privileges can open "Settings > Booking Tags" to configure the available list of tags for your organisation:
Adding tags to a booking
Searching for bookings by tag
Booking tags are included in the Booking CSV Export and Attendee CSV Export within "Reports > Bookings",
They are also available for inclusion in custom reports created for your organisation.