Door to port意思

"Door to port" is a nautical term that refers to the direction of movement of a vessel relative to its port side. In this context, "door" is used metaphorically to indicate the direction of exit or entrance, and "port" refers to the left side of the ship when facing forward.

Here's the breakdown of the term:

So, "door to port" would mean that the vessel is moving or is about to move towards its port side, or that the direction of movement is towards the left side as seen from the bridge or the direction the vessel is facing. This term is commonly used in navigation and ship operation to communicate the direction of the vessel's movement or to give instructions regarding the intended course.