Knot- A fastening made by looping a piece of string, rope, or something similar on itself and tightening it.

•Stern- Serious and unrelenting, especially in the assertion of authority and exercise of discipline.

•Boom- A loud, deep, resonant sound.

•Hatch- A small opening in a floor, wall, or roof allowing access from one area to another.

•Anchor- A person or thing which provides stability or confidence in an otherwise uncertain situation.