parameter
US /pəˈræm.ə.t̬ɚ/
UK /pəˈræm.ə.t̬ɚ/

1.
a numerical or other measurable factor forming one of a set that defines a system or sets the conditions of its operation
:
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The software allows users to adjust various parameters.
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We need to consider all the relevant parameters before making a decision.
2.
a limit or boundary that defines the scope of a particular process or activity
:
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The project must operate within strict budget parameters.
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The discussion stayed within the agreed parameters.