Category Nuances for address_book:

• professional,
• personal,
• private,
• online,
• simple,
• structured,
• organizational,
• special,
• promotional,
• sensitive,
• favorite,
• electronic,
• stationary,
• everyday,
• miscellaneous,
• mobile,
• future,
• internal,
• soft,
• important,
• categorical,
• changing,
• inbuilt,
• standard,
• typical,
• key,
• local,
• bound,
• valuable,
• useful,
• additional,
• usable,
• auxiliary,
• extra,
• vital,
• related,
• base,
• common,
• magnetic,
• usual,
• disparate,

Simple Categories for address_book:

• location,
• content,
• document,
• record,
• information,
• volume,
• object,
• data,
• papers,
• database,
• product,
• extra,
• folder,
• item,
• material,
• details,
• facility,