What is hey meaning?

"Hey" is a casual greeting or salutation used to get someone's attention or start a conversation. It can be used in person, over the phone, or in written messages. The meaning and tone of "hey" can vary depending on the context and how it is said. It can be friendly, enthusiastic, or even confrontational or dismissive in some cases. Some people may view "hey" as a more informal or less professional greeting compared to others such as "hello" or "good morning."