What is the meaning of the word "forward"?

Definitions:

at or near or directed toward the front adjective
- the forward section of the aircraft
at or to or toward the front adverb
- I like to face forward on trains.
near or toward the bow of a ship or cockpit of a plane adverb
- the captain went fore (or forward) to check the instruments
of the transmission gear causing forward movement in a motor vehicle adjective
- in a forward gear
send or ship onward from an intermediate post or station in transit verb
- forward my mail
toward the future adverb
- forward in time