Technology expresses the level of knowledge about nature and consciousness of a human being and represents a sort of material reflection of an individual and humanity. As such, technology is a fundamental capability of humans. Understanding by means of technology is a projective reconstruction of the meanings of signs, that is  active, dynamic, objectifying interpretation. It is demonstrated how the contributions to this special issue implement comprehension of grammatical, linguistic and mathematical, artistic, legal and anthropological procedures of comprehension in the field of technical knowledge and technical implementation.