Little pictures, each meaningful or just interesting on first inspection (5)

I believe the answer is:

emoji

'little pictures' is the definition.
(pictures used in digital communication)

'each meaningful or just interesting on first inspection' is the wordplay.
'on first inspection' indicates taking the first letters (only the first letters are looked at).
The initial letters of 'each meaningful or just interesting' is 'EMOJI'.

(Another definition for emoji that I've seen is " Graphic expression".)

I've seen this clue in The Guardian.

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