The Vector Formats

We're going to see some HTML and CSS/SCSS snippets to get an idea of how to work with icon fonts and SVGs, but we're not going to go through the creation of such assets since that process is out of the scope of this section.

Vectors or bitmaps/raster images

When people ask what the difference between vectors and bitmaps/raster images is, the answers I often hear are usually around the idea, "If you enlarge it, it won't lose its quality. No worries for mobile devices." Although true, it doesn't fully answer the question. So here are the differences:

A vector image is a file made out of mathematical equations. The results of these equations are represented by a graphic (lines, shapes, colors). If the size of the image changes in any way, the values of those equations are recalculated and the resulting graphic is painted again.

A bitmap or raster image is a file made out of pixels. These pixels have a specific/defined width, height, and color. If an image is enlarged, the pixels...