The purpose of creating a Black and Neon Purple Dance Party Poster is to promote and advertise the event to the target audience. The poster aims to attract people to attend the party and create a fun, vibrant, and lively atmosphere. The use of black and neon purple colors creates a contrast and highlights the essential elements like event name, date, time, and location. The poster also includes details like music, dress code, and ticket prices. Overall, the poster's purpose is to encourage people to attend