I hear this question quite often from clients and thought I would answer it as best I could. If you are in the market to hire someone to build your website, or if you are a designer/developer perhaps this explanation will help.
I've decided to use the power of video to convey my answer. I find this format to be more efficient in terms of getting my point across. I have more improvements to come for my future use of video. So, if you can be patient, the quality of videos will improve in the future with the coming rollout of the 'realigned' berchman.com.http://vimeo.com/7355539