An exclamation point ( ! ) is used to end a sentence expressing strong emotion or commands (Stop!), and may be used to close questions that are meant to convey extreme emotion (What were you thinking!

Statements usually end with a full stop but can also use an exclamation mark. The cat ran away down the street. Commands can be punctuated with a full stop or an exclamation mark. Fetch me my cat.

In a new series of Radio 4's Word of Mouth, Michael Rosen is joined by Dr Florence Hazrat to exclaim excitedly over exclamation marks. The researcher and wordsmith was inspired to write An ...