Game concept
Limited Tribal Authority
The game also links it as Limited.
From the game's encyclopedia
Limited Tribal Authority is the second-lowest level of Tribal Authority. Vassals have a -10 Opinion penalty towards their Liege, and the liege may now Imprison Characters in their Realm.
The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.
Limited Tribal Authority is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "Limited Tribal Authority is the second-lowest level of Tribal Authority." It is part of Tribal Authority. The game also links it as Limited. Patch 1.20.1.2, from game/common/game_concepts/00_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/00_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.