wcięcie 英語で:

paragraphs are marked off by indentation

The tip of the piston has a small indentation or hole, and just behind the tip is usually a gasket of some kind to ensure an airtight seal—perhaps a rubber O-ring or simply some waxed string.

rise a notch

Among current players, she is rated a notch above (= is better than) the rest.

Yesterday, our team notched another win.