Before revision: According to this model every message has four facets4-sides model as per website of the (commercially operating) Schulz von Thun Institute for Communication (content in German) though not the same emphasis might be put on each.
After revision: According to this model every message has four facets4-sides model as per website of the Schulz von Thun Institute for Communication (content in German) though not the same emphasis might be put on each.