Data display in Chapter One redesigned (3,5)

I believe the answer is:

pie chart

I'm a little stuck... Click here to teach me more about this clue!

'data display' is the definition.
'pie chart' can be an answer for 'display' (I have seen 'Display of information' mean 'pie chart' so perhaps 'display' could also mean 'pie chart'). I am unsure of the 'data' bit.

'chapter one redesigned' is the wordplay.
'one' becomes 'i' (Roman numeral).
'redesigned' is an anagram indicator.
'chapter'+'i'='chapteri'
'chapteri' is an anagram of 'PIE CHART'.

'in' is the link.

Can you help me to learn more?

(Other definitions for pie chart that I've seen before include "Illustration of shares" , "Circle divided by radii to depict percentages of the whole" , "Display of information" , "Display of data r" , "Graph of a circle divided into sectors" .)

I've seen this clue in The Sun.

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