No matter how well a procedure is written it is always clearer when there
are graphics available to support it. When dealing with complex systems
technical illustrations provide an easy way to understand what is being
discussed in the text. When providing documentation in an electronic format
the illustrations can be animated or hyperlinked to provide even more
Photographs are an acceptable low-cost solution to providing illustrations.
However, most photographs suffer from lighting issues, difficulty in positioning
to show the items clearly, and may suffer from providing too much information.
Illustrations donít suffer from lighting issues, can be drawn from any
angle, and can show just the items desired eliminating any confusion.