Port

A pathway into and out of the computer. Serial and parallel ports on a personal computer are external sockets for plugging in communications lines, modems, and printers. In programming, a port can be any symbolic interface to and from an application or utility.

A server application is assigned a port number to channel data to the correct service.

To modify software to run in a different computer environment. ôTo port the program to Windows NTö means a programmer changed the application to enable it to run under Windows NT.