image 28.gif shows a hierarchy of groups. At the top level is the com group, below which is the acme.com group, below which is the hq.acme.com group. hq.acme.com is a sit; the lines that comprise the box surrounding this group is in bold. Below hq.acme.com are two groups at the same level, sales.hq.acme.com and marketing.hq.acme.com. A dotted line connects the hq.acme.com box to another box that contains the text: Phone Numbers that belong to the hq.acme.com Site, followed by the numbers 1650506????, 1650607????, and 1650633????.