Definitions for "Narrowing"
The act of contracting, or of making or becoming less in breadth or extent.
an instance of becoming narrow
becoming gradually narrower; "long tapering fingers"; "trousers with tapered legs"
Keywords:  stenosis, see
See Stenosis.
Narrowing means creating a restriction (q.v.) that limits editing in the current buffer to only a part of the text in the buffer. Text outside that part is inaccessible to the user until the boundaries are widened again, but it is still there, and saving the file saves it all. See section AC.22 Narrowing.
(of circumstances) tending to constrict freedom
Keywords:  happens
narrowing” happens
Keywords:  width, decrease
a decrease in width
Keywords:  something, act, making
the act of making something narrower
Keywords:  stocking, part
The part of a stocking which is narrowed.