Street dance is a broad term for a variety of social dance styles that originated in urban areas and are often improvised. Some key features of street dance include:

Movement
Street dance moves are often strong and powerful, and can involve sharp changes in direction. Dancers may isolate movements to specific body parts, such as the hips or shoulders.

Relationship to music
Street dance moves are often connected to the music, with dancers reacting to the beat and rhythm.

Grounding
Street dance moves often involve quick, short steps, and long, smooth steps, interspersed with grounded movements and held positions.

Creativity
Street dance is often improvised, encouraging dancers to be creative with their movements.
Interaction

Street dance is a social activity, and often involves interaction with other dancers and spectators.
Some examples of street dance styles include:

Hip-hop
A freestyle style that draws on techniques from other dance forms, as well as everyday life and nature.

Locking
A funk style that involves holding a position for a short time before moving quickly, and repeating the cycle.

Popping
A style that involves sudden muscle contractions in the triceps, forearms, neck, chest, and legs.

Breaking
A high-energy freestyle style that originated in New York City in the late 1960s and early 1970s.

Krumping
An intense style that emerged from South Central Los Angeles in the early 2000s.