One thing I know I do frequently, whether it is when talking or writing, is to use some jargon that may not be understood by everyone I may be addressing. This is mostly due to the fact that I would be speaking with mixed audiences, some of whom would be familiar with the terms I use, and others, perhaps, not so much. Or, maybe I’m just trying to sound all smart and stuph…
So, if you ever run into a term or phrase that you’re not familiar with, check out this page and its sub-pages first for a definition. Failing that, a good Google search might be another option.