Game concept
Governor
The game also links it as Governors, Strategos, Strategoi, Governorship, Governorships, Governed, Governor's, Governors'.
From the game's encyclopedia
A Governor is the primary vassal of a Liege with a Bureaucratic Government. They are appointed by their Liege to preside over the lands within the Realm, utilizing their Governor Efficiency.
A Governor's Title, as well as the Counties it includes, is referred to as a Province. Governance Issues may appear inside a Province, which the Governor has to solve.
Governors can accumulate Influence and manipulate the Succession of other Governorships.
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.
Governor is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "A Governor is the primary vassal of a Liege with a Bureaucratic Government." It is part of Administrative. It covers Governor Efficiency, Civilian Governor and Military Governor. The game also links it as Governors, Strategos, Strategoi, Governorship and 4 more. 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.