Hanging 
To dream that you are hanging confirms a feeling of an unfinished business that needs taking care of. It also indicates your need to be reassured about a certain matter.
To dream that you are hanging clothes means that you are clearing up your mind.
Waving
To dream of waving to people indicates that these people are close connected to you. It is important that they recognize you. You greatly desire and need their attention. There may be a part of their personality or persona that you admire and wish to emulate. You may have the desire to deepen your relationship with them.
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