Category Nuances for null:

• systemic,
• useful,
• modern,
• therapeutic,
• out,
• supportive,
• expressive,
• somatic,
• traditional,
• conventional,
• physical,
• additional,
• cosmetic,

Simple Categories for null:

• service,
• measure,
• modality,
• intervention,
• treatment,
• procedure,
• therapy,