annotation

Meaning

Noun

• A critical or explanatory commentary or analysis.
• A comment added to a text.
• The process of writing such comment or commentary.
• Metadata added to a document or program.
• Information relating to the genetic structure of sequences of bases.

Origin

• From Latin annotātiōnem, accusative singular of annotātiō, from annotātus, perfect passive participle of annotō. Equivalent to annotate + -ion.