Prime directive

Prime Directive refers to a computer or robot's main fuction. It is usually programmed, or intended, that the machine doesn't deviate from its Prime Directive.

The BOSS computer's Prime Directive was to make profit for Global Chemicals. It was willing and had planned to turn humans into slaves to achieve this goal (DW: The Green Death) while the Experimental Prototype Robot K1's Prime Directive was to serve Humanity and never harm it, which it unintentionally violated when it killed its creater. (DW: Robot)