An illustration is a versatile means of expressing a message. Used in web design, illustration helps to provide a visual representation or example of what is being shared, making it a message clear. It also offers an attractive or aesthetic element to a website.
When a site uses illustration, it will have an instant visual appeal. Many companies use stock photos to add a graphic element to their sites. However, stock photos are not unique, and not created in accordance with your brand. As a result, your site may fade into the background. Illustration fits in with your brand, adding an element which instantly identifies your company and makes it stand out.