Which type of authority includes actions usually defined in general terms and necessary to accomplish tasks?

The correct choice highlights the concept of implied actual authority, which refers to the authority that is not explicitly stated but is understood as necessary to carry out the responsibilities of a role. This type of authority allows individuals to take actions that are reasonably needed to accomplish their tasks and fulfill their job functions effectively, even if those actions have not been specifically articulated.

Implied authority is often derived from a person's position within an organization, where certain actions and decisions are assumed to be included within their role's scope. For example, a manager may not have direct written authorization to sign every contract but has the implied authority to enter into agreements that are customary and necessary for their operational duties.

In contrast, express actual authority is explicitly granted authority through verbal or written instructions, which does not fit the general terms that implied authority encompasses. Apparent authority relates to how a third party perceives someone's authority based on the behavior or representations of that person, rather than the actual powers granted. Legal authority refers to authorizations granted through laws or regulations, which again differs from the context of implied actions necessary to complete tasks.

Understanding these distinctions is crucial in determining the actions that individuals can reasonably undertake within their roles, ensuring that tasks are completed efficiently while maintaining the integrity of organizational structures.