Who defended the castle from the walls and watchtowers?

The castle was defended from the walls and watchtowers by its garrison, which typically included soldiers, archers, and crossbowmen. They utilized the elevated positions to spot approaching enemies and launch projectiles, creating a formidable barrier against attacks. Additionally, the castle's architecture provided strategic advantages, allowing defenders to use various defensive tactics to protect the stronghold. This defensive posture was crucial in maintaining control over the surrounding territory.