Irregular stripe in computer graphics (6)

I believe the answer is:

sprite

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'computer graphics' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how one could define the other.

'irregular stripe' is the wordplay.
'irregular' indicates anagramming the letters.
'stripe' anagrammed gives 'SPRITE'.

'in' acts as a link.

Can you help me to learn more?

(Other definitions for sprite that I've seen before include "Goblin, elf or imp" , "Naiad" , "Impish type" , "Stripe on a fairy" , "Elf, fairy" .)

I've seen this clue in the Evening Standard.

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