green-light

Green Light, green light green-light, or greenlight may refer to:

• Greenlight (internet service), a fiber-optic internet service provided by the city of Wilson, North Carolina
• Steam Greenlight, a service part of Valve's Steam software

To green-light is to give permission or a go ahead to move forward with a project. The term is a reference to the green traffic signal, indicating "go ahead". In the context of the film and television industries, to green-light something is to formally approve its production finance and to commit to this financing, thereby allowing the project to move forward from the development phase to pre-production and principal photography.