Logic Versus Usage: The Case for Activity-Centered Design
ノーマンがとなえるActivity-Centered Designって感覚的につかめんかったのだが、

Activity-centered design organizes according to usage: traditional human-centered design organizes according to topic, in isolation, outside the context of real, everyday use. Both are needed.

をみると、生活密着型デザインとでもいっとけばいいのかね。
あと、taskに基づくtaxonomy（分類法）をtaskonomyと呼んでるんだそうだ。