Definition of "Guide" :

noun: a structure or marking that serves to direct the motion or positioning of something

noun: a model or standard for making comparisons

noun: something that offers basic information or instruction

noun: someone who shows the way by leading or advising

noun: someone who can find paths through unexplored territory

noun: someone employed to conduct others

verb: pass over, across, or through

verb: direct the course; determine the direction of travelling

verb: take somebody somewhere

verb: use as a guide

"They had the lights to guide on."

verb: be a guiding or motivating force or drive