Definitions of command:

• noun:   availability for use

  Example: "The materials at the command of the potters grew"

• noun:   the power or authority to command

  Example: "An admiral in command"

• noun:   great skillfulness and knowledge of some subject or activity

  Example: "A good command of French"

• noun:   an authoritative direction or instruction to do something
• noun:   a military unit or region under the control of a single officer
• noun:   a position of highest authority

  Example: "The corporation has just undergone a change in command"

• noun:   (computer science) a line of code written as part of a computer program
• verb:   make someone do something
• verb:   be in command of

  Example: "The general commanded a huge army"

• verb:   demand as one's due

  Example: "This speaker commands a high fee"

• verb:   exercise authoritative control or power over

  Example: "Command the military forces"

• verb:   look down on