Last bit (4)
'last bit' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for end that I've seen before include "SECOND PART OF 24" , "border?" , "Cessation, conclusion" , "Conclude" , "Aim; stop" .)
'last bit' is the definition.
(the tail end of something)
This is all the clue.
(Other definitions for tail that I've seen before include "Follow the caudal appendage" , "Hindmost part" , "private eye" , "Feebler batsmen" , "Flexible part that extends from an animal's rear" .)
(Another definition for tailend that I've seen is " Charlie, sort of".)