Game concept

Lifestyle Experience

The game also links it as Experience.

From the game's encyclopedia

Lifestyle Experience is accumulated passively by having a Focus selected, or granted by events. There are different types of Lifestyle Experience, one per Lifestyle category.

Gaining enough Lifestyle Experience within a category will award a Perk.

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.

Lifestyle Experience is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "Lifestyle Experience is accumulated passively by having a Focus selected, or granted by events." The game also links it as Experience. Patch 1.20.1.2, from game/common/game_concepts/00_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.

for a guide, post or blog

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.