This document discusses different ways of conceptualizing technology from the perspectives of Marc de Vries. It summarizes his views that technology can be understood as artifacts, knowledge, processes, or an expression of human volition. Specifically, it outlines de Vries' taxonomy of technology knowledge, which includes knowledge of an artifact's physical nature, functional properties, and relationships between form and function. It also notes that he sees technology as processes that involve design, making, and using/assessing artifacts.