1. Whole Rest: This is the longest type of rest. It represents four beats of silence and is often used at the end of a musical phrase or section. The whole rest is represented by a rectangle with a stem going up from the right side.
2. Half Rest: The half rest indicates two beats of silence and is often used in between musical phrases. It is represented by a rectangle with a stem going up from the left side.
3. Quarter Rest: The quarter rest represents one beat of silence and is commonly used within musical phrases. It is represented by a rectangle with a stem going down from the right side.
4. Eighth Rest: The eighth rest indicates half of a beat of silence and is often used for quick, short rests within musical phrases. It is represented by a rectangle with a stem and a flag attached to the stem.
5. Sixteenth Rest: The sixteenth rest represents a quarter of a beat of silence and is used for very quick, short rests. It is represented by a rectangle with a stem and two flags attached to the stem.
6. Thirty-Second Rest: The thirty-second rest represents one-eighth of a beat of silence and is rarely used except for very fast sections of music. It is represented by a rectangle with a stem and three flags attached to the stem.
7. Breve Rest: The breve rest represents eight beats of silence and is used primarily in baroque music. It is represented by a rectangle with a stem going down from the left side.
These are the main types of rests used in music notation, with each representing different durations of silence. The specific rests used in a musical composition depend on the rhythm and tempo of the piece.