Category Nuances for chalkboard:

• plain,
• authentic,
• stationary,
• useful,
• vertical,
• simple,
• major,
• familiar,
• traditional,
• flat,
• smooth,
• distant,
• magnetic,
• ancillary,
• dark,
• common,
• upright,
• wooden,

Simple Categories for chalkboard:

• object,
• item,
• artifact,
• surface,