Crossword clue: a mark used by an author or editor to indicate where something is to be inserted into a text

The most common answer is caret (5 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

caret 5 letters wn-def

a mark used by an author or editor to indicate where something is to be inserted into a text