Before there was language, there were pictures. And let's face it folks, we're rapidly reverting back to a state of simplified expression. We rely on the ability to transmit and receive information quickly and are less and less tolerant of weeding through a sea of text to find it.
Still reading??? The most fundamental way to learn is still by visual demonstration. The human mind perceives images faster than words and retains them longer for future access.
In addition to commanding viewer attention, illustration is the best way to convey a message or describe a process that is lengthy or difficult to communicate. And because it's easily customizable, you can ensure that your presentation appeals to your audience and reinforces your brand.