Design Methods is a broad area that focuses on:
Exploring possibilities and constraints by focusing critical thinking skills to research and define problem spaces for existing products or services—or the creation of new categories; (see also Brainstorming)
Redefining the specifications of design solutions which can lead to better guidelines for traditional design activities (graphic, industrial, architectural, etc.);
Managing the process of exploring, defining, creating artifacts continually over time
Prototyping possible scenarios, or solutions that incrementally or significantly improve the inherited situation
Trendspotting; understanding the trend process.