Suggestion to conceal display device (5,6)

I believe the answer is:

touch screen

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'display device' is the definition.
'touch screen' can be an answer for 'display' (I have seen 'Sensitive display' mean 'touch screen' so perhaps 'display' could also mean 'touch screen'). I'm not certain of the 'device' bit.

'suggestion to conceal' is the wordplay.
'suggestion' becomes 'touch' (touch is a kind of suggestion).
'to conceal' becomes 'screen' (I've seen this before).
'touch'+'screen'='TOUCH-SCREEN'

Can you help me to learn more?

(Other definitions for touch screen that I've seen before include "Sensitive display" , "Good judgement" , "Display doubling as input device" , "Display interface" .)

I've seen this clue in The Guardian.

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