|Checkpoint||cp||A position the player can teleport back to.|
|Failsafe||fs||A loose type of checkpoint, which only allows partial recovery.|
|Life or Death||l/d||Decribes a section that is not failsafed.
If the player fails it, they will lose some progress.
|Room #||r #||A common term for referring to a specific subsection in a course.|
|Transition # - #||t #-#||A transition between two rooms, which is sometimes l/d.|