Jeffrey Zeldman publishes A List Apart and The Daily Report, runs Happy Cog Studios, wrote Designing With Web Standards 2nd Ed., and cofounded An Event Apart with Eric Meyer. Wikipedia and Happy Cog have bios.
Recently he published an article on “Understanding Web Design”. He tried to show the various use of web design with different medium. At a point he defined what the web design is?
“Web design is the creation of digital environments that facilitate and encourage human activity; reflect or adapt to individual voices and content; and change gracefully over time while always retaining their identity.”
Read the whole article at A List Apart