The most common and most likely answer to this crossword clue is the 2 plus 6 letter word IN DETAIL
I've seen this crossword clue in Financial Times
I
N
D
E
T
A
I
L
More clues leading to the result IN DETAIL
- Fully lit dock
- I love describing dead Greek character point by point
- Thoroughly unfortunate end, back on newspaper
- Where Irish politicians are found covering Egypt thoroughly
- Thoroughly idle, ain’t moving
- 15 humiliated Nigel nursing back
- Punk nailed it precisely
- Batting knocking the stuffing out of Derbyshire lower order comprehensively
Buddy explains!

The straight part
We know that "point by point" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case point by point = in detail.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.