Market Pull
How consumer demands lead to product development
Obsolete
No longer working or useful
Technology push
How advancements in technology are used to produce new products
Mechanical
working via a mechanism without direct human intervention
Electrical
Operated using electricity
Laser
Amplification of an output of light producing an intense beam
Digital Music
Analogue music transferred into a data file
Continuous improvement
Making designs better
Market
Target group product is aimed at
Analysis
Discovering the important features of the design problem