Knowing is not telling. Major communication issue in our day to day interactions is the things "we" already know. Either it makes us bad listeners or it we simply assume, we have shared our knowledge with others already. Especially the assumption, that we have told others about what we have on our mind, is a reliable source of fierce disputes.
The Cynefin framework is used to help decision makers to understand the domain, they are operating in. It offers four contexts: simple, complicated, complex, chaotic, and disorder. They offer a "sense of place" from which to analyze behavior and decide how to act in similar situations. In general it is important to know what type of system you are dealing with. Playing the Cynefin Lego Game shows you how to decode what is happening in terms of organisational structures and communication in that specific system.