What's up with the ninth chevron?

[Nate the Great]

I can't remember where I read this the other day, but someone was bringing up the whole "there are more than 39 Stargates, so this whole system is hooey" argument. Apparently, they don't realize that the point of origin is not one of the 38 standard glyphs, it's a symbol all it's own that's located in the same position on each Stargate. It's just like if my Enter key was painted red, Zeke's was painted blue, Sa'ar's was painted green, and so on. All else being equal, it's a quick way to point out "hey, I'm the Enter Key!"

I pity people (fictional though they may be) that have to use Pegasus Gates. Have you paid close attention to one of those glyphs? It's not five or so points in a simple pattern, it's dozens in a vague blob that you have to memorize!