Before revision: The Nine windows technique, also known as 9 windows, 9 boxes, 9 screens, mutltiscreen diagram, or system operator tool is a creative problem-solving technique that analyzes a problem across time and relative to its place within a system.
After revision: The nine windows technique, also known as 9 windows, 9 boxes, 9 screens, multiscreen diagram, or system operator tool is a creative problem-solving technique that analyzes a problem across time and relative to its place within a system.