How are specified tasks defined in military operations?

Specified tasks are defined as those that are specifically assigned by higher headquarters. This means these tasks are clearly articulated and leave no ambiguity regarding the responsibilities and expectations placed upon the unit. The clarity of these tasks allows for effective planning and execution of operations, as units understand exactly what is required of them.

The other options do not accurately capture the definition of specified tasks. While some tasks may require inference or may be expected without being explicitly stated, those would not fall under the category of specified tasks. Additionally, a task that is considered optional would lack the imperative nature that specified tasks possess. Specified tasks, therefore, are central to the chain of command and operational success, as they dictate actionable items that must be carried out by the units assigned those responsibilities.