In the play of distinctions, different distinctions differ differently. More distinguishable changes arise in some structures, while others retain more of their own determination relative to them. This difference itself creates a new distinction between structures.
If the changes of one structure are almost indistinguishable relative to those of another, the first appears stable to the second — as a background, a boundary, or an object. This stability is not an absolute property of the structure, but arises from the relation between their variabilities.
Our familiar notions of movement and speed arise later from this same difference. We interpret different modes of change as one thing moving relative to another at some speed.
A special case arises when the contrast in variability is relatively strong: one structure can be practically unchanging for another and thus give the impression of being inert and motionless. Materiality therefore appears here as an interpretation of the difference in variability.
Another case is worth noting: in a developed form, a distinguishing structure may tend to order distinctions in a series because of how its reflection is constituted. Such a purely reflective series can be called time, which then appears not as something given in advance, but as an interpretation of the organization of distinctions as a series.
Movement, speed, and materiality thus appear here as interpretations of differences in variability, while time appears as an interpretation of the organization of variability. None of these concepts is taken as a fundamental property of the world.