A half rest looks like a what

A half rest, also known as a minim rest, looks like a small rectangle sitting on top of the middle line of the staff. It represents a silence or pause in music that lasts for the same duration as a half note.

A half rest looks like a small rectangle positioned vertically with its top edge resting on the middle line of the staff. The bottom half of the rectangle is filled in, while the top half is open. It is used in musical notation to indicate a silence or pause that lasts for the duration of a half note.