Point Dorothy shortly makes (3)

I believe the answer is:

dot

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'point dorothy' is the definition.
'dot' can be an answer for 'dorothy' (nickname for someone called Dorothy). I am not certain of the 'point' bit.

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for dot that I've seen before include "Morse symbol; spot" , "Flyspeck: period in a web address" , "A point, small round mark" , "Long-ago year?" , "Small round spot" .)

I've seen this clue in The Sun.

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