The waving hand emoji, often represented by a single hand waving or gesturing, is a widely used symbol for greeting, saying goodbye, or indicating farewell. It is often used in place of the phrase "hi" or "bye" in text messages or social media posts, and is a widely recognized and understood symbol.
The waving hand emoji can be used in a variety of contexts, such as in a message to a friend to say hello or goodbye, or as a way to acknowledge someone's presence in a virtual meeting. It can also be used as a casual way to greet someone in person, such as when passing by someone on the street or in a public setting.
In addition to its use as a greeting or farewell, the waving hand emoji can also be used to indicate a lack of interest or disinterest in something. For example, it may be used in response to an invitation or suggestion to indicate that the recipient is not interested or does not want to participate.
Overall, the meaning of the waving hand emoji is one of greeting, farewell, or acknowledgement, and it is a widely recognized and widely used symbol in digital communication.