Game concept
Administrative
The game also links it as Administrative Government, Administrative Governments.
From the game's encyclopedia
Administrative is a Bureaucratic Government Form that appoints Characters as Governors, to manage and preside over land, called Provinces, on behalf of their Liege.
Administrative Characters have access to Influence and some also have a personal Family Estate.
Only Independent Rulers of an Administrative Realm have Legitimacy, while Vassals do not.
Governor Vassals cannot declare War against each other — Instead, they are encouraged to spend Influence for Appointment Succession and use Schemes to acquire Titles
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.
Administrative is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "Administrative is a Bureaucratic Government Form that appoints Characters as Governors, to manage and preside over land, called Provinces, on behalf of their Liege." It is part of Government. It covers Governor, Candidate Score, Influence, Noble Family, Province and 2 more. The game also links it as Administrative Government and Administrative Governments. Patch 1.20.1.2, from game/common/game_concepts/07_ep3_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/07_ep3_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.