Category Nuances for gravitation:

• internal,
• ordinary,
• distinct,
• mental,
• physical,
• primary,
• irreversible,
• attractive,
• conservative,
• opposing,
• fundamental,
• natural,
• abstract,
• cosmic,
• common,

Simple Categories for gravitation:

• object,
• energy,
• tendency,
• force,
• phenomenon,
• movement,
• power,
• entity,
• process,