Contains language information installed by the Rosetta Stone installer; some are named by language (ENG01, FRA09, etc.), while the TRS config files are named "catmpc.trs," "credits.trs," and "cdid.trs."

Rosetta Stone is a language learning software program available for many different languages.

Railroad track design created with the German railway design program, WinTrack; similar to a .TRA file, but saved in a text-based format; includes the train and track layout, as well as other content, such as landscapes, trees, buildings, and cars.