At least two perspectives of design activity are in step with the action-centric perspective. Both contain 3 ordinary activities.
「葬送のフリーレン」特集 有野晋哉（よゐこ）、浦井健治
A design strategy is a preferred philosophy which can or won't comprise a guide for specific methods. Some are to guide the final goal of the design. Other procedures are to guide the developments of the designer.
「葬送のフリーレン」特集 有野晋哉（よゐこ）、浦井健治
In the reflection-in-action paradigm, designers trade among "framing", "making moves", and "evaluating moves". "Framing" refers to conceptualizing the problem, i.e., defining aims and objectives. A "move" is a tentative layout decision. The analysis procedure could lead to added moves within the design.
「葬送のフリーレン」特集 有野晋哉（よゐこ）、浦井健治
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
葬送のフリーレン 12話 感想（ネタバレ注意）フェルンと
In the sensemaking–coevolution–implementation framework, designers alternate among its three titular activities. Sensemaking contains both framing and evaluating moves. Implementation is the method of constructing the design object. Coevolution is "the procedure where the design agent concurrently refines its intellectual photograph of the layout object in accordance with its intellectual picture of the context, and vice versa"
