[1]origin
[2]limits
[3]leaking
[4]take off
[5]flight
[6]dropping
Concrete is defined there where it confronts totality [1]. It may be confused with the limits of the real [2], it may remain metaphysical [3], but it can definitely escape from itself [4] in search of its own meaning. [5]
However, it could be condemned to isolation, shrinking and, at some point, vanishing. [6]