Phrases like "Team of Teams", Group Of Groups, or "Community of Communities" are used in the Lionsberg System to point towards the total set of all things of a particular type.
"Team of Teams" refers to the total set of all teams in all places and all times broadly, and those formally affiliated with Lionsberg more specifically / operationally.
Team of Teams
Group Of Groups
Community of Communities
Superlative of Superlatives