Game concept
Heterosexual
From the game's encyclopedia
In Crusader Kings III, this character is attracted to characters of the opposite gender.
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.
Heterosexual is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "In Crusader Kings III, this character is attracted to characters of the opposite gender." It is part of Sexual Orientation. Patch 1.20.1.2, from game/common/game_concepts/00_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
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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.