At least two views of design endeavor are per the action-centric perspective. Both contain three undemanding activities.
アストラゼネカの新卒採用・就活情報 外資就活ドットコム
A layout strategy is a general philosophy which may or won't incorporate a guide for particular methods. Some are to lead the overall goal of the design. Different systems are to guide the developments of the designer.
豪当局、英アストラゼネカのコロナワクチン使用継続を表明
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 may lead to further strikes within the design.
CNN.co.jp : アストラゼネカ製ワクチン 欧州で使用停止が拡大、豪
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
韓国新聞・政治-4月「満75歳以上はファイザーワクチン」、6月
In the sensemaking–coevolution–implementation framework, designers trade between its 3 titular activities. Sensemaking contains the two framing and evaluating moves. Implementation is the method of making the layout object. Coevolution is "the method wherein the design agent simultaneously refines its intellectual image of the design item in keeping with its intellectual image of the context, and vice versa"