Web design encompasses a variety of disciplines and skills in the creation and management of websites. The various disciplines of web design typically include web graphic design; web user interface design; content writing, such as SEO articles and other marketing literature; writer and developer and information architect. Information technology involves the arrangement, maintenance and support of networks and servers, web servers and computer applications used to access information over the Internet. Web development is the process of bringing together software requirements and ideas that are needed for a website to a particular format and design.
Usability is the study of how a user will interact with a product or service. Interface usability studies the methods and techniques of designing a website to be usable by a broad range of users, with an eye to improving accessibility. Usability testing assesses the usability of the website by evaluating user interaction or response to the website and its content. Interaction design concerns itself with issues of style and user experience.
Another discipline of web design is visual communication. This includes everything from layout to typography to images. Web graphic designers create the images that make up a website. Web site developers create the functional content of the websites, such as shopping carts and links. Fashion designers deal with the aesthetics of the sites and websites that contain media such as pictures, text, video and animation.