Illustration is used to inspire the viewer to feel emotion to expand on the linguistic aspects of the narrative or thought.
It's used to link brands to the ideas of human expression, individuality and creativity.
Illustration brings thoughts to life. It helps people understand things. What percentage of your audience is a visual or "picture thinker"?
For me, it's a passion. I love to draw and create things. A blank page is full of opportunity. Growing up I use to draw and write on everything. My first masterpiece was in liquid white out on the side of our T.V. Sorry mom ; p