Outlines (5)
'outlines' is the definition.
(contouring is a kind of outlining)
This is all the clue.
(Other definitions for contours that I've seen before include "Curves or map lines in croutons" , "form lines" , "Scoot, run! (anag.)" , "Lines on a map joining points of equal height" , "Lines on maps connecting points of equal height" .)
'outlines' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for edges that I've seen before include "Outer limits" , "Borders, rims" , "Des, e.g. (anag.)" , "Margins" , "They're used for cutting" .)