Final answer:
Command and control in a military context refers to the exercise of authority and direction by a commander over assigned forces in the accomplishment of the mission. Option b.
Step-by-step explanation:
The definition of the term command and control in a military context is The exercise of authority and direction by a properly designated commander over assigned and attached forces in the accomplishment of the mission.
It refers to the hierarchical structure and decision-making process in military operations, where commanders have the authority to give orders and control the actions of their subordinates.
For example, a commanding officer may issue mission-type orders to his or her subordinates, providing them with the overall objective and leaving the execution details to their discretion. This allows for decentralized execution while maintaining centralized command and control. So Option b.