Well, according to Ethan Marcotte, RWD has three key components: media queries, a fluid grid, and flexible images. What you describe is closer to "adaptive" des

Well, according to Ethan Marcotte, RWD has three key components: media queries, a fluid grid, and flexible images. What you describe is closer to "adaptive" design - the design adapts to different resolutions but isn't necessarily fluid. RWD is a subset of that.