Abstract ideas in concrete images
The challenge of content is more than be clear. This is related to lead individuals to spend time, to explore, to sell concepts. Illustration provokes and allows people to accept surreal ideas and evaluate in a positive way attempts to say something difficult to digest.
Better than tell a story is make audience feel something. Illustrations make people laugh or reflect. Emotional connection is a leverage for messages.
Many tools and procedures can develop solutions. Printed models, digital drawing and painting or water paintings are common to be used nowadays. To choose the adequate technique, the context can be understood.