Silence can be notated in a number of ways, but the most common is the use of a fermata. A fermata is a vertical line with a dot above it, and it is placed above or below a note or chord. When a fermata is present, it indicates that the note or chord should be held for longer than its usual duration. The length of the silence is determined by the conductor or performer, and it can vary from a brief moment to a much longer period of time.
Silence can be a very effective musical tool when it is used judiciously. It can add depth, texture, and emotion to a piece of music, and it can help to create a memorable and lasting impression on the listener.