IT  HAS A NAME

1. The vertical surface of the stair in a staircase is called a riser. The horizontal surface of the stair - the part you step on - is called the tread.

2. The back of an office desk that extends down to the floor is called a modesty panel.

3. The small curved end of a clothes hanger that forms the letter "C" is called a turnback.

4. The part of eyeglasses on the side of the head and extending over the ear is called a temple.

5. A charred, partly consumed candlewick is called a snuff.

6. The metal ring that supports the eyelet (the hole the shoelace goes through) is called a grommet.

7. The head (top portion) of a key is called the bow.*

*[JA - yet another meaning of this celebrated heteronym. I don't know how this one is pronounced, but I suspect it's "bough", as the bow (front) of a ship.]