More business containing puzzle (5)

I believe the answer is:

rebus

'puzzle' is the definition.
(type of visual puzzle)

'more business containing' is the wordplay.
'containing' indicates the answer is hidden within the clue.
'REBUS' is hidden within 'more business'.

(Other definitions for rebus that I've seen before include "Visual type of word puzzle" , "Pictorial word puzzle" , "Picture-puzzle" , "Enigmatic representation" , "Puzzle where pictures represent syllables and words" .)

I've seen this clue in The Daily Express.

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