The most common and most likely answer to this crossword clue is the 8 letter word TRANCHES
I've seen this crossword clue in The Daily Telegraph
T
R
A
N
C
H
E
S
More clues leading to the result TRANCHES
Buddy explains!
The straight part
We know that "Parts" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case parts = tranches.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TRANCHES mean?
TRANCHES noun- A slice, section or portion.
- A distinct subdivision of a single policyholder's benefits, typically relating to separate premium increments.
- A pension scheme's or scheme member's benefits relating to distinct accrual periods with different rules.
- One of a set of classes or risk maturities that compose a multiple-class security, such as a CMO or REMIC; a class of bonds. Collateralized mortgage obligations are structured with several tranches of bonds that have various maturities.