Category Nuances for null:

• minor,
• parenthetical,
• unstructured,
• unique,
• medical,
• relevant,
• external,
• textual,
• simple,
• further,
• technical,
• formal,
• special,
• evaluative,
• personal,
• educational,
• meaningful,
• basic,
• recent,
• private,
• embedded,
• supplemental,
• static,
• factual,
• extra,
• limited,
• insignificant,
• adult,
• miscellaneous,
• lexical,
• functional,
• photographic,
• related,
• online,
• hidden,
• privileged,
• interesting,
• qualitative,
• subjective,
• binary,
• sexual,
• supplementary,
• useful,
• descriptive,
• dynamic,
• extraneous,
• individual,
• auditory,
• optional,
• written,
• corporate,
• unwanted,
• additional,
• essential,
• supporting,
• nonpersonal,
• public,

Simple Categories for null:

• annotation,
• content,
• input,
• activity,
• information,
• description,
• event,
• challenge,
• speech,
• info,
• announcement,
• attribute,
• message,
• report,
• knowledge,
• document,
• thing,
• statement,
• entity,
• request,
• grouping,
• topic,
• action,