some such that for every with the point A point is called a {{visible anchor}} or {{visible anchor}} of the net in whenever:
:for every open neighborhood of the net is eventually in ,expressed equivalently as: the net {{visible anchor to/towards $x$ }} or has $x$ as a limit; and variously denoted as:If is clear from context, it may be omitted from the notation.

If and this limit is unique (i.e. only for ) then one writes:using the equal sign in place