Sentences regarding windows

/"What I saw that night was like looking at a hologram or window to another dimension."
/"It may be that there exists, in the vicinity of the Bermuda Triangle and certain other nodal locations of electromagnetic gravitational currents, a door or window to another dimension in time or space through which extra-terrestrial sufficiently sophisticated scientifically can penetrate at will."
/"In science fiction, a portal is a window to another dimension."
/"Picard and Data arrive, and Manheim tells them he was able to open a window to another dimension, but when he learns how far the effect has spread, he tells them it must be shut down."