the word 'hey' is also commonly used as an interjection to help add emphasis or emotion to a statement. It expresses a wide range of feelings, from surprise to excitement to greeting.
Its usage is typically quite universal, though its exact meaning depends on the intonation of the word and the context it is used in.
1. 'Hey, that was really impressive!'
2. 'Hey, I can't believe you did that!'
3. 'Hey, thank you so much for coming to my party!'
When using 'hey' as an interjection, be mindful of the intonation you use, as it can convey a range of emotions depending on how it is said. Additionally, be sure to use it in the appropriate contexts. For example, using it with superiors or strangers can come across as disrespectful or informal.