Indicates that something can be used as soon as it's needed.

Immediate Accessibility

Suggests a personal benefit or enhancement due to immediate access to something.

Personal Advantage

Implies having the authority to utilize something directly and without asking for permission.

Stresses that others will follow your direction without question.

Indicates a position of power in leadership, with others ready to act on your behalf.

Having people or resources at your command also implies you're responsible for their actions.