Part I. Theory: 1. Instructable robots; 2. Natural models for the interpretation of commands; 3. Context-fixing semantics and model structures; 4. Models for arithmetic instruction; Part II. Language Performance: 5. Verbal commands to a mobile robot; 6. Verbal commands to a robotic arm; 7. Saying 'stop' to a robot; 8. Extended models: geometric semantics; Part III. Learning: 9. Discourse on arithmetic instruction; 10. Robot learning from corrective instruction; 11. Learning natural language from robot task descriptions; Index.