Game concept

Soldiers

The game also links it as Soldier.

From the game's encyclopedia

Soldiers is a collective term for the troops in a Regiment or an Army, whether they are Levies, Men-at-Arms, or Knights.

Having the most Soldiers helps win Battles and Sieges.

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.

Soldiers is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "Soldiers is a collective term for the troops in a Regiment or an Army, whether they are Levies, Men-at-Arms, or Knights." It is part of Regiment. It covers Levies, Men-at-Arms, Routed Casualties, Fatal Casualties, Quality and 2 more. The game also links it as Soldier. 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.