Comma and Rest period

Comma noun - A punctuation mark (,) used to indicate the separation of elements within the grammatical structure of a sentence.

Rest period and comma are semantically related In some cases you can use "Rest period" instead a noun "Comma".

Rest period noun - A pause for relaxation.

Comma and rest period are semantically related in wait topic. Sometimes you can use "Comma" instead a noun phrase "Rest period".