Web design is a process of conceptualization, planning, modeling, and execution of electronic media content delivery via Internet in the form of Markup language suitable for interpretation by Web browser and display as Graphical user interface (GUI).
Source:- From Wikipedia, the free encyclopedia

You don't have to be a web designer.You may have a current web site design project, you may be updating an existing site, or just interested in learning new skills.

Web design and development is a huge area that grows and changes every day. While it's impossible to document everything there is to know, these links aims to help you understand the principles of creating great sites and to teach you some of the most important skills needed to do it successfully and repeatedly.