Articulator: any of the vocal organs above the larynx, including the tongue, lips, teeth, and hard palate in order to articulate. [Here you see a diagram](https://drive.google.com/file/d/1WAdyTN__wCGuDqHa5ygUuTxZDjmN5A5L/view?usp=sharing) where the 'inability to move articulators' fits in the stutter disorder/problem.