Modifiers matching metaphor:

• basic,
• conceptual,

Simple categories matching conceptual:

• entity,
• principle,
• model,
• structure,
• frame,
• information,
• subject,
• artifact,
• idea,
• difficulty,
• opposition,
• schema,
• property,
• item,
• knowledge,
• change,
• tool,
• foundation,
• pattern,
• variable,
• system,
• art,
• issue,
• thing,
• service,
• unit,
• database,
• stage,
• thought,
• part,
• skill,
• activity,
• content,
• location,
• work,
• area,
• artefact,
• notion,
• framework,
• layer,
• combination,
• hierarchy,
• discipline,
• representation,
• characteristic,
• process,
• dance,
• arena,
• whole,
• operation,
• nature,
• space,
• topic,
• level,
• abstraction,
• correspondence,
• domain,
• goal,
• development,
• metaphor,
• culture,
• details,
• existence,
• science,
• formation,
• theme,
• ingredient,
• break,
• grouping,
• distinction,