This is the process of passing information by use of diagrams, drawings pictures, signs, and gestures e.t.c
A photograph is an image (visual representation of an object as it appeared at the time when the photograph was taken
Photographs are self-explanatory and may not be accompanied by any narration or explanation. The recipient is able to get the message at a glance.
Refer to marks, symbols, drawings or gestures whose purpose is to inform the public about such things as directions, distances, dangers and ideas.
Examples; road signs, traffic lights and danger signs on electricity poles
This means of communication can only be effective if the meaning of the sign used is understood.
Graphs; These are used to show and illustrate statistical information
Charts; These are diagrams which show or illustrate the flow of an idea e.g. an organization chart illustrates the whole organization structure indicating the chain of command
Advantages of visual communication
- It can be used to pass confidential information
The information may be obtained at once
Disadvantages of visual communication
- Can only be used by people who can see
- The information may be wrongly interpreted
- It may be an expensive method of communication
- Cannot be used for long distances