A design strategy is a widespread philosophy which can or might not incorporate a guide for particular methods. Some are to guide the overall target of the design. Other systems are to guide the developments of the designer.
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In the reflection-in-action paradigm, designers alternate between "framing", "making moves", and "evaluating moves". "Framing" refers to conceptualizing the problem, i.e., defining goals and objectives. A "move" is a tentative layout decision. The evaluation approach could lead to added 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
In the sensemaking–coevolution–implementation framework, designers alternate between its three titular activities. Sensemaking contains both framing and evaluating moves. Implementation is the method of making the design object. Coevolution is "the procedure where the design agent simultaneously refines its mental picture of the design object based on its intellectual photograph of the context, and vice versa"
