This provides support for the displayed settler (7)
I believe the answer is:
trestle
'this provides support for' is the definition.
The definition suggests a singular noun which matches the answer.
'displayed settler' is the wordplay.
'displayed' indicates an anagram (letters displayed in another way).
'settler' anagrammed gives 'TRESTLE'.
'the' acts as a link.
Can you help me to learn more?
(Other definitions for trestle that I've seen before include "support of growth" , "Framework to support a flat surface -- letters (anag)" , "Frame to hold table" , "Letters (anag) - table" , "Supporting framework for, eg, table top" .)