Odd parts of culture, as this itself is (4)
I believe the answer is:
clue
'this itself is' is the definition.
The definition suggests a singular noun which matches the answer.
'odd parts of culture' is the wordplay.
'odd parts of' means one should take alternating letters.
The alternating letters of 'culture' are 'CLUE'.
'as' acts as a link.
Can you help me to learn more?
(Other definitions for clue that I've seen before include "Luce (anag.)" , "Crossword aid" , "Hint; piece of evidence" , "Helpful hint" , "Slight indication (as here)" .)