Jazz dance is a form of dance that originated in the early 20th century. It's characterized by its energetic and upbeat movement, along with the use of syncopated rhythms and improvisation. However, there are several other terms that can be used to describe jazz dance, each with its unique connotations. For instance, some people might refer to it as swing dance, reflecting the genre of music that jazz dance is typically performed to. Others might describe it as tap dance, incorporating the use of rhythmic footwork. Additionally, some might use the term contemporary dance to refer to jazz dance that's been updated with modern styles and techniques. Ultimately, what you call this dynamic form of movement depends on how you choose to interpret and present it.