A design strategy is a general philosophy which may or won't include a guide for particular methods. Some are to guide the general target of the design. Different procedures are to steer the traits of the designer.
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In the reflection-in-action paradigm, designers alternate among "framing", "making moves", and "evaluating moves". "Framing" refers to conceptualizing the problem, i.e., defining goals and objectives. A "move" is a tentative design decision. The evaluation process may result in further moves within the design.
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The rational model was independently developed by Herbert A. Simon,[8][9] an American scientist, and two German engineering design theorists, Gerhard Pahl and Wolfgang Beitz
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In the sensemaking–coevolution–implementation framework, designers alternate between its 3 titular activities. Sensemaking comprises the two framing and comparing moves. Implementation is the process of making the design object. Coevolution is "the approach wherein the design agent concurrently refines its mental image of the design object in keeping with its intellectual picture of the context, and vice versa"