
People such as myself and colleagues are always throwing "SEO, SEM, IA, UX, UI" around like everyone else knows what we mean. Terms like "Trending", "Conversion", and "Taxonomy" get thrown into the pile as well.
It's easy to forget that not everyone knows (or wants to know) what we are talking about. Keep in mind though that if you are spending money on your website, and intend to make money with your website, it is a good idea to be up to speed with the lingo. Below are bare bones definitions to get you through those mystifying meetings.