A screenwriter is a professional who writes scripts for films, television shows, and other visual media. They create the dialogue, characters, and storylines that bring a production to life. Screenwriters often work closely with directors and producers to ensure their vision aligns with the overall project. Screenwriters may work independently or as part of a team, and their work can vary from original stories to adaptations of existing works, such as novels or plays. Successful screenwriters often have a strong understanding of storytelling techniques and character development, which are essential for engaging audiences in the world of cinema and television.