Fetching details from the dictionary...

gap; break; rift
pause; interval; interruption
cut; incision; notch; score
end
仕事に切れ目がなくて休暇が取れない状況だ。
Work has no break and I can't take a vacation.
縁の切れ目が金の切れ目とは昔から言われている。
It's been said since old times that the end of money is the end of relationships.
カーテンの切れ目から外の景色が見えてしまう。
The outside view is visible through the gap in the curtain.