The general build of the character, his fitness and description. A high Endurance and decent Strength would lend itself to a wiry build, while a high Strength but fairly low Endurance would indicate a large amount of muscle mass, but most of it in the upper body.
The stamina and toughness of the character, used for resisting fatigue and damage.
The lifting and force that the character can achieve. This is used for carrying capacity and Base Damage.