<p>There may be a sticky somewhere addressing this, but I’m a bit confused as to some of the abbreviations I’ve seen used on here.</p>
<p>A few that come to mind are “DH”, “DD”, and so on.</p>
<p>Could anybody post a “key” of sorts? (I’m sure once they’re explained, I’ll feel like an idiot, but I really can’t figure those out!)</p>