mark the limits

See: define
References in classic literature ?
In any case, such a wall seemed to me to mark the limits of that Atlantis, of which we had in reality passed over only the smallest part.
At best, they will be false, contrived - and, because they will always prove to be too precious to be lost, mark the limits of AI's reach." - TradeArabia News Service
"Tonight there was intensity and tension butit's the match officials who mark the limits. Those are the ones who are in charge of making surethis is football and not American football."
She highlights how supernatural accounts are inscribed historically and, as such, mark the limits of a "homogenous national-historical time" (99).
It is difficult to mark the limits of superstition.
For many MEPs, the disagreements between the Franco-British duo in favour of a military intervention in Libya on the one hand, and the reluctance of certain member states, including Germany, on the other, mark the limits of a common European foreign policy.
The stickers on the side of the car mark the limits. If a head goes into a bag quite deeply, the inspector checks the dummy's acceleration traces.
2 : to mark the limits of by stakes <They staked out the yard.>
In A Problem of Self, 2005, for example, the black strokes that form the stripes of tigers, the faint outlines that mark the limits of their bodies, and the way that they stand on the open expanse of white paper are all consistent with pictorial conventions that date back many centuries.
Officials said the fence would mark the limits of a site which has no other barriers, as well as helping with security and setting routes in and out.
The sharpness of the focus and the understandable decision to limit the investigation essentially to two firms (the Serristori and the Cambini) also perhaps inevitably mark the limits of this study.
The parade, the first along the route for two years, will involve 50 marchers and one band, though no music is to be played between the two bridges which mark the limits of the nationalist area.