The Character Settings let you define your character model, link it to a motion source, and adjust the way it reacts to the motion source. They also let you create and manage your Control rigs.
Keep in mind that the Character Settings let you work with the Character asset. The Character asset works as a template to help you define your model for MotionBuilder and connect it to a motion source. The Character Settings do not adjust the character model itself.
The Character settings consist of two panes:
Character Settings