Game concept
Governor Efficiency
From the game's encyclopedia
Governor Efficiency is a measurement of how good a Governor is at their job, and how well they manage the Holdings they are assigned to.
The Efficiency affects how much Taxes and Levies a Holding provides, and the effectiveness of Title Men-at-Arms.
A character's Governor Efficiency is mainly decided by their Skills and the Governor Trait.
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 Efficiency is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "Governor Efficiency is a measurement of how good a Governor is at their job, and how well they manage the Holdings they are assigned to." It is part of Governor. 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.