Category Nuances for site_map:

• essential,
• navigational,
• offer,
• graphic,
• necessary,
• basic,
• color,
• hierarchical,
• historical,
• intermediate,
• structured,

Simple Categories for site_map:

• item,
• artifact,
• component,
• display,
• drawing,
• model,
• part,
• structure,
• facility,
• document,