This illustration is a directory information tree for Oracle9iAS Email 5.2. In the figure, boxes with text inset denote entries. Lines connect boxes, showing the hierarchical relationship between entries. At the top of the tree are two boxes denoting the root of the tree, dc=acme,dc=com. Just beneath these entries are the entries L=America, L=Europe, cn=Distribution Lists, and cn=Address Book. Beneath the entries L=America and L=Europe is the entry cn=user. Beneath the entry cn=Distribution Lists is the entry cn=us_hq, and below cn=us_hq is the entry cn=Public Aliases. Below the entry cn=Address Book are three entries: cn=Preferences, cn=Aliases, and cn=Private Distribution Lists.