Mission (5)
'mission' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for errand that I've seen before include "Short journey done for others" , "run one" , "purposeful journey" , "Short trip for a message" , "short shopping trip" .)
'mission' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for task that I've seen before include "Job to be done" , "Allocate work" , "commission" , "exercise" , "Piece of work to be done" .)
'mission' is the definition.
(a quest is a mission or search)
This is the entire clue.
(Other definitions for quest that I've seen before include "Prolonged search" , "Mission" , "Pursuit" , "Long or arduous search" , "A search or hunt" .)