I should clarify — STL being short for Stereolithography still only applies to the STL File.
Andrew Graves
1

Great, thanks for clarifying this one!

Have a look at the edited version of the term:

STL — File format initially used for Stereolithography files only, now widely used with all kinds of 3D printing software. STL files include the pure geometry of 3D models without a color or texture. They can be later transformed into G-codes in slicing software.