Exact pattern matches form one contiguous block of sorted suffixes.
Matches form one contiguous block
Binary search finds the first and last sorted suffix that begin with the pattern. For pattern A, the highlighted block contains 3 matches.
matches=one suffix-array interval
The starts are the occurrence positions
The start column of that block lists where the pattern occurs. Sorted into ascending order, those positions are 1, 4, and 6.
occurrences={1,4,6}