Figure 1
The diagram contains tacit knowledge on the left, represented by a head containing 2 gears, and explicit knowledge on the right, represented by books. A loop labelled Socialisation returns to tacit knowledge. Externalisation proceeds from tacit knowledge to explicit knowledge. A loop labelled Combination returns to explicit knowledge. Internalisation proceeds from explicit knowledge back to tacit knowledge.SECI model phases
Source:Cerchione et al., 2026