Exclamation Mark (!)
It is used to exclaim something. It is commonly used after interjections (words or phrases that are used to exclaim, command or protest like “wow” or “oh” Exclamation mark can express the following emotions in writing:
Excitement: I can't wait to go to USA./ oh! That hurts!
Surprise: “oh! You already bought a new car!”
Astonishment: wow! Your daughter is gorgeous!”
Command/ imperative sentence: come here!