The most common and most likely answer to this crossword clue is the 10 plus 6 letter word RECTANGLES GREAT-
R
E
C
T
A
N
G
L
E
S
G
R
E
A
T
-
Buddy explains!
The straight part
We know that "Figures" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case figures = rectangles great-.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.