<DIR> is OS specific, but refers to an environment variable. This directory is searched when finding files, and is the only way LITE can launch with the standard library (necessary at this point).
Linux: $HOME Windows: $APPDATA
<DIR>/lite
|-- LITE.exe
|-- lisp
| |-- std.lt
| |-- std
| | `-- LITE LISP standard library files loaded by `std.lt`...
| `-- Any other included LITE LISP...
`-- gfx
`-- fonts
`-- apache
`-- Fonts licensed under Apache license...