What is the meaning of the English word
an informal, conversational expression used to attract attention, to express interest, surprise, annoyance, or agreement
Example (to attract attention):
Hey! Look at this!
Example (to express interest):
Hey, I heard that the boss yelled at you. Are you okay?
Hey! I didn’t know you were in Edmonton! When did you arrive?
Hey! Watch where you’re going! You almost drove into me!
You think she’s annoying? Hey, don’t I know it?