The correct term for an airplane window is a porthole, the same as for a window on the side of a ship.
Circular diameter is the distance from side to side of a circle through the middle.
A track is a circular ring on one side of the disk.
It has round windows which look like the portholes of an oceanliner. The building is constructed with a metal frame, and a curtain wall with round windows. The window shape contributes to the structural strength of the building. The circular design of the windows has earned the building the nickname, "The House of a Thousand Arseholes" - an anthropomorphic reference to the circular shape of the windows, of course, and not to the hard-working people manning it's luxurious offices.
If you aboard the ship and you face toward the front of the ship, the port side is the left side of the ship. So, the port side of a ship would show the port light.
The windows are similar by the Side-Side-Side Similarity Theorem.
...Is "aport": On a ship, while facing forward, the left side of the ship is called "port" and the right side of the ship is called "starboard".
Porthole
The left side of a ship or plane.
The right side of a ship is called the star-board side.
so that people cant fit there head there
North