<p><a href="http://patternlab.io/">Pattern library</a>, <a href="http://24ways.org/2011/front-end-style-guides/">style</a> <a href="http://codeforamerica.clearleft.com/">guide</a>, UI library, parts kit; call them what you want, but these are essential to building websites of any scale. Typically, this is something you manually construct to demonstrate all the modules and pieces that you have constructed, but I have been investigating ways to make them a bit more dynamic when building sites with <a href="http://buildwithcraft.com/">Craft</a>.</p>