Does each script run on a different thread?

[asdsk9skdsdas]

If there are 2 scripts open, are they both on a different threads and can execute code simultaneously, or is multithreading only used when the AHKthread command is used?

[HotKeyIt]

In v1 only when AhkThread is used (or other ways using AutoHotkey.dll), in v2 there is also NewThread which is similar to Ahkthread but without dll.