The Clue
Add commentaries (8 letter answer)
The Answer
ANNOTATE
Tags
Notes
The answer ANNOTATE is rarely seen, appearing only about once every 1000 puzzles.
Related Clues
Gloss
Mark
Add footnotes
Add to marginally?
Comment on, as in a margin
Explain, in a way
Furnish explanatory comment
Make critical comments
Make critical notes on
Make explanatory markings
Provide explanatory material
Write fuller explanations
Clutter up page margins
Definition
ANNOTATE as a verb:
1. (annotate, footnote) = add explanatory notes to or supply with critical comments; "The scholar annotated the early edition of a famous novel"
2. (gloss, comment, annotate) = provide interlinear explanations for words or phrases; "He annotated on what his teacher had written"