Position in life; life situation; the condition of one’s chosen direction, i.e. formal dancing shoes in a discotheque would suggest outmoded approach. Idioms: be in someone else’s shoes. ... A Guide to Dreams and Sleep Experiences
If you were dancing alone, this could be a simple expression of joyful feelings in waking life.
If you were dancing with a group of people, this could suggest good team spirit in waking life. A dream about a discotheque is a sign that the dreamer may be feeling excited but confused about a new relationship or project... The Element Encyclopedia