How do I solve 21 down in Express Cryptic 20260622?

Question

Accepted Answer

21 down reads "Extend drapes out" (6 letters); the answer is SPREAD. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Extend drapes out (6)

21D — Extend drapes out (6) — SPREAD