A design is a plan or specification for the construction of an object or system or for the implementation of an activity or process, or the result of that plan or specification in the form of a prototype, product or process. The verb to design expresses the process of developing a design.

The design usually has to satisfy certain goals and constraints, may take into account aesthetic, functional, economic, or socio-political considerations, and is expected to interact with a certain environment.

In the sensemaking–coevolution–implementation framework, designers alternate between its three titular activities. Sensemaking includes both framing and evaluating moves. Implementation is the process of constructing the design object.

Descriptions of design activities

Coevolution is “the process where the design agent simultaneously refines its mental picture of the design object based on its mental picture of the context, and vice versa”. At least two views of design activity are consistent with the action-centric perspective. Both involve three basic activities.

The action-centric perspective is based on an empiricist philosophy and broadly consistent with the agile approach and amethodical development. Substantial empirical evidence supports the veracity of this perspective in describing the actions of real designers.

The action-centric model

Research and knowledge are brought into the design process through the judgment and common sense of designers – by designers “thinking on their feet” – more than through the predictable and controlled process stipulated by the rational model.

The design usually has to satisfy certain goals and constraints, may take into account aesthetic, functional, economic, or socio-political considerations, and is expected to interact with a certain environment.

Source: Wikipedia

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