Around is a commonly used English word with multiple meanings and usages.
1. Around can mean "in a circular direction" or "on all sides":
"We walked around the lake."
2. Around can indicate approximate time or number:
"I'll be there around 3 o'clock."
3. Around can mean "in or to many places":
"She traveled around Europe last summer."
4. Around can indicate availability:
"Is the manager around?"