A sign that my lobs are accurate (6)

I believe the answer is:

symbol

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

'a sign' is the definition.
(symbol is a kind of sign)

'my lobs are accurate' is the wordplay.
'my lobs' anagrams to 'SYMBOL'.
Though, I am unsure how this is indicated.

'that' acts as a link.

Can you help me to learn more?

(Other definitions for symbol that I've seen before include "Emblem, representation" , "Sign - representation" , "Emblem or sign" , "Something that stands for something else" , "Something that stands for or suggests another thing" .)

I've seen this clue in the Evening Standard.

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