command

noun

1.
an authoritative direction or instruction to do something
bid bidding dictation
Derived from:
command
2.
a military unit or region under the control of a single officer
leading
Derived from:
command
3.
the power or authority to command
coserdom wald wield
Derived from:
command
4.
availability for use
5.
a position of highest authority
headstool
Derived from:
command
6.
great skillfulness and knowledge of some subject or activity
control mastery
7.
(computer science) a line of code written as part of a computer program
instruction program line statement