Graphic designers focus strictly on the visual artwork for a project. Some specialize in certain areas like logo design. Graphic artists usually work with print and web. They can design brochures, business cards, annual reports, advertising material and give you a high quality professional look. Many companies hire a designer for the graphic design then hand that over to a web designer or developer to incorporate into a website.
An ad designer creates creative content for magazine, newspaper, outdoor, television and radio. Advertising design also relates to marketing and branding strategy. Depending on the extent of the services required an advertising designer may simply act as a graphic artists following your art direction, or may develop all the creative concepts for your advertising campaign.
A web designer offers HTML, XHTML, CSS and FLASH (Photo Gallery Only). Any other graphics services are available that is visually focused for web pages. The difference between web design and web development is that a developer usually has more back-end programming skills and a designer is more focused on the look and feel of a site. A good web designer will help you organize the information for your web site and develop navigation and layout.