A place (lieu) is the order ...

A place (lieu) is the order (of whatever kind) in accord with which elements are distributed in relationships of coexistence. It thus excludes the possibility of two thing being in the same location (place). The law of the 'proper' rules in the place: the elements taken into consideration are beside one another, each situated in its own 'proper' and distinct location, a location it defines. A place is thus an instantaneous configuration of positions. It implies an indication of stability.
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 Michel de Certeau

Quotes from the same author

First, if it is true that a spatial order organizes an ensemble of possibilities (e.g., by a place in which one can move) and interdictions (e.g., by a wall that prevents one from going further), than the walked actualizes some of these possibilities. In that way, he makes them exist as well as emerge. But he also moves them about and he invents others, since the crossing, drifting away, or improvisation of walking privilege, transform, or abandon spatial elements.
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 Michel de Certeau
The trace left behind is substituted for the practice. It exhibits the (voracious) property that the geographical system has of being able to transform action into legibility, but in doing so it causes a way of being in the world to be forgotten.
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 Michel de Certeau
An absence of meaning opens a gap in time.
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 Michel de Certeau
To walk is to lack a place. It is the indefinite process of being absent and in search of a proper.
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 Michel de Certeau
New York has never learnt the art of growing old by playing on all its pasts. Its present invents itself, from hour to hour, in the act of throwing away its previous accomplishments and challenging the future. A city composed of paroxysmal places in monumental reliefs.
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 Michel de Certeau