[stupidbird]

It's pretty common to distinguish your font from others with a description in the name, be it sans/serif/slab/mono/condensed/extended, etc — it does communicate "this is a font" clearly but it's also useful when you're in an application just looking at a text list of font names.

[a_e_k]

Yep, kind of a font namespacing, e.g. Sans::SourcePro vs. Serif::SourcePro.