In the "Silent and Verbal Levels" diagram, the arrows and boxes denote ordered stages in human neuro-evaluative processing that happens in an instant. Although newer knowledge in biology has more sharply defined what the text in these boxes labels "electro-colloidal", the diagram remains, as Korzybski wrote in his last published paper in , "satisfactory for our purpose of explaining briefly the most general and important points". General semantics postulates that most people "identify," or fail to differentiate the serial stages or "levels" within their own neuro-evaluative processing.