ASX, page-129

Here is something about the meaning of Low Profile, as you can all see, it certainly does not mean "ZIP"


low profile


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low profile

n.
Behavior or activity carried out with deliberate restraint or modesty so as not to attract attention: keep a low profile.

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low′-pro′file′ adj.
low profile

n
a. a position or attitude characterized by a deliberate avoidance of prominence or publicity
b. (as modifier): a low-profile approach.
adj
(Automotive Engineering) (of a tyre) wide in relation to its height

low′ pro′file


n.
a deliberately inconspicuous or anonymous manner.
[1970–75]
low′-pro′file, adj.