From Star Frontiers Network

• Missions*:All robots have a mission. A mission is a set of rules that tell the robot what its job is. A robot's mission is the most important order it has, and overrides any orders that conflict with it.

• Functions*: All robots have several functions that tell them how to accomplish their missions. Low level robots can not make decisions, so their functions must be very specific statements. Higher level robots can make decisions for themselves, so their functions can be more general statements.

For example, a level 3 Security Robot might have the mission: "Stop all unauthorized personnel from entering this building." Its functions could define "stop" as giving intruders a warning, then using the Restrain program to keep them from entering. "All unauthorized personnel" could be defined as any person or machine that is not wearing a special badge. The robot must be given a function that defines "this building," and another that tells it what areas it must patrol to look for intruders. Another function could instruct it to call the police and report the break in after an intruder has been restrained.

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