transfer is to relocate/move
transmit is to communicate/send
Transfer and Transit, are used with things we can touch as the same meaning of moving or relocate.
Transmit, is used with things we can‘t touch like data or signals radio of a broadcast.
transfer, v. tr. : to copy information or images from one place or object to another
transport, v. tr. : to move people or things from one place to another, usually in a vehicle
transmit, v. tr. : if a substance transmits light, sound, or energy, the light, sound, or energy can pass through it
What is the difference between "transit","transfer","transmit... and "transport"
原文：http://www.cnblogs.com/jefflu2012/p/4314027.html