Category Nuances for open_field:

• physical,
• exposed,
• strange,
• outdoor,
• controlled,
• suitable,
• restricted,
• temporary,
• empty,
• vegetative,
• natural,
• remote,
• familiar,
• hazardous,
• safe,
• softer,

Simple Categories for open_field:

• place,
• site,
• location,
• setting,
• surface,
• situation,
• space,
• area,