Crossword Genius

Dip in retail, with area sapped of energy (5)

Ross

I believe the answer is:

salsa

I'm a little stuck... Click here to teach me more about this clue!

'dip' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for salsa that I've seen before include "Chilli sauce" , "Hot dance - hot sauce" , "Saucy dance" , "fling?" , "Cuban dance music or spicy sauce" .)

I've seen this clue in The Independent.
Want a hint initially instead of a full solution? Install my app