Diana's game show (7)

I believe the answer is:

display

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'show' is the definition.
(display can mean to show or expose)

'diana's game' is the wordplay.
'diana' becomes 'Di' (Di is short for Diana).
'game' becomes 'splay' (I can't justify this - if you can you should give a lot more credence to this answer).
'di'+'splay'='DISPLAY'

Can you help me to learn more?

(Other definitions for display that I've seen before include "Exhibition" , "Showcase" , "Put on show" , "Demonstrate, show" , "Show to the public" .)

I've seen this clue in The Globe and Mail.

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