Category Nuances for inclusion:

• heterogeneous,
• structural,
• fuzzy,
• spatial,
• positive,
• significant,
• foreign,
• biological,
• important,
• hard,
• natural,
• subsurface,
• logical,
• universal,
• small,
• social,
• topological,
• local,
• internal,
• localized,
• individual,
• insoluble,
• unique,
• external,
• intermolecular,
• unusual,
• special,
• large,
• metal,
• recent,
• weak,
• coarse,
• geological,
• mechanical,
• mean,
• societal,
• atomic,
• formal,
• educational,
• regional,
• subtle,
• macro,
• administrative,
• semantic,

Simple Categories for inclusion:

• thing,
• aggregate,
• attribute,
• imperfection,
• level,
• particle,
• point,
• form,
• choice,
• property,
• relationship,
• object,
• set,
• challenge,
• control,
• movement,
• touch,
• quality,
• entity,
• performance,
• separation,
• condition,
• component,
• change,
• interaction,