Mobile-

1. In full first mobile. In the medieval version of the Ptolemaic system: the outermost of the concentric spheres supposed to revolve around the earth; = PRIMUM MOBILE n. 1. Also fig. Obs.

2. Chiefly in Metaphysics. A body in motion or which is capable of movement. Now arch. and hist.

3. A cause of motion; a motive for action. Cf. PRIMUM MOBILE n. 2. rare.

i thought the first definition was a pretty interesting way of looking at the word mobile, not sure where it can lead but there are definite possibilities there. maybe a system that comprises everything surrounding the market who knows

Market-

I. A place at which trade is conducted.

1. a. A meeting or gathering together of people for the purchase and sale of provisions or livestock, publicly displayed, at a fixed time and place; the occasion or time of this. Also: the people gathered at such a meeting. Freq. with article omitted after to, from, and at. Also fig. or in figurative context.