A global script object. Any script (in mwscript) that is not attached to any object is a global script.
Read-only. A special context used for getting and setting script's variables.
Read-only. A reference this global script is tied to, if any. If the reference field isn't empty, then the global script in question is a Targeted script (a name given to it in Morrowind Scripting for Dummies).
Read-only. Access to global script object's associated script.