9-109. In developing the broad concept of the operation, the commander describes how arrayed forces will accomplish the mission within the commander’s intent. The broad concept concisely expresses the how of the commander’s visualization and will eventually provide the framework for the concept of operations and summarizes the contributions of all warfighting functions. The staff develops the initial concept of the operation for each COA expressed in both narrative and graphic forms. A sound COA is more than the arraying of forces. It presents an overall combined arms idea that will accomplish the mission. The initial concept of the operation includes, but is not limited to, the following: