Communicate by letter (10)
'communicate by letter' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for write that I've seen before include "Put pen to paper" , "Produce text" , "Draft" , "Compose (music)" , "Jot" .)
'communicate by letter' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for correspond that I've seen before include "Keep in touch by letter" , "Communicate by letter" , "Have similar functions" , "Swap letters" , "Have a close similarity" .)