Within the defining circular enclosure of a henge can be circles of posts.在石阵围成的圆形区域内可以是一圈一圈的柱子。The cable TV company sent out direct mail to every household in their service area.有线电视公司向所辖服务区域内的每一户人家都发了信件。The commander-in-chief exercises supreme authority within his zone.总司令在自己的辖域内行使至高无上的权力。