A directory may pertain-to a (package hierarchy).Logical formLearned from2 sentences. A top may pertain-to a (package hierarchy).Logical formLearned from2 sentences. A name can be in a hierarchy.Logical formLearned from2 sentences. Hierarchies can be constituted-of-or-filled-with sight.Logical formLearned from2 sentences. An anti-semite can be in a hierarchy.Logical formLearned from2 sentences. A (storage hierarchy) may consist magnetic disks.Logical formLearned from2 sentences. A hierarchy may pertain-to symbols.Logical formLearned from2 sentences. Hierarchies can be constituted-of-or-filled-with files.Logical formLearned from2 sentences. A combination can be constituted-of-or-filled-with hierarchy.Logical formLearned from2 sentences. A hierarchy of groups may be specified by a programmer.Logical formLearned from2 sentences. Hierarchies can be endless.Logical formLearned from2 sentences. Persons may recognize a hierarchy.Logical formLearned from2 sentences. A hierarchy may pertain-to &shis.Logical formLearned from2 sentences. (Class hierarchies) can be in a person.Logical formLearned from2 sentences. A field may be added to a portion of a hierarchy.Logical formLearned from2 sentences.