Shows sign of uncertainty around gifts (10)

I believe the answer is:

represents

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'shows sign' is the definition.
'represents' can be an answer for 'shows' (I've seen this before). I am unsure of the 'sign' bit.

'uncertainty around gifts' is the wordplay.
'uncertainty' becomes 'er' (somebody might say 'er' if uncertain).
'around' says the letters should be written backwards.
'gifts' becomes 'presents' (present is a kind of gift).
'er' in reverse letter order is 're'.
're'+'presents'='REPRESENTS'

'of' acts as a link.

Can you help me to learn more?

(Other definitions for represents that I've seen before include "shows" , "Portrays" , "plays" , "Stands for" .)

I've seen this clue in The Telegraph.

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