For the ancient philosophers, the everyday world was the location of their thinking, much as it is for design. Things are found in the world; things are made in the world. For the ancients, it was a serious question to be asked: Can this thing be bent? If it can, then it has the property of being intensional, that is, it can sustain straining, or stretching, or bending. We might make a bow, an arrow, or a staff: each would require a different intensionality.
Questions, Hypotheses & Conjectures: Discussions on Projects by Early Stage and Senior Design Researchers p. 294-302