Weave the Theory (Possible Book, v1.0, 2026)
The Art of Theoretical Activity and Knowledge Ecology
Activity Analysis & Intervention (AAI)
Weave the Life: The Life-as-Activity Approach (v4.0)
It re‑presents the work through a unified symbolic system — the Weave form — and, for the first time, organizes the full territory of the Life‑as‑Activity Approach (v4.0) around the concept of Personal Knowledge Ecology.
The World of Activity Toolkit (v2.0, 2026)
The simple four-part schema that began as a descriptive map of ecological forms has grown into the primary organizing structure of an entire approach to creative life development.
Knowledge, Activity, and Development
This updated logo conveys an essential message: the Activity Analysis Center is not only about Activity Theory but also about the Knowledge behind Activity. This represents the core meaning of the concept of "Activity Analysis."