A sign that guides people; guidepost.
Someone who guides, especially someone hired to show people around a place or an institution and offer information and explanation, or to lead them through dangerous terrain.
A grooved director for a probe or knife in surgery.
A blade or channel for directing the flow of water to the buckets in a water wheel.
A spirit believed to speak through a medium.
A member of a group marching in formation who sets the pattern of movement or alignment for the rest.
A document or book that offers information or instruction; guidebook.
Any marking or object that catches the eye to provide quick reference.
to serve as a guide for someone or something; to lead or direct in a way; to conduct in a course or path.
to act as a guide.
to exert control or influence over someone or something.
to supervise the education or training of someone.
to steer or navigate, especially a ship or as a pilot.
A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.
A token; an indication; a foreshadowing; a sign.
A signalling interaction between cells
An electromagnetic action, normally a voltage that is a function of time, that conveys the information of the radio or TV program or of communication with another party.
Any variation of a quantity or change in an entity over time that conveys information upon detection.
An on-off light, semaphore, or other device used to give an indication to another person.
A simple interprocess communication used to notify a process or thread of an occurrence.
Useful information, as opposed to noise.
An action, change or process done to convey information and thus reduce uncertainty.
A sequence of states representing an encoded message in a communication channel.
Standing above others in rank, importance, or achievement.
To communicate with (a person or system) by a signal.
To indicate; to convey or communicate by a signal.