di·rec·to·ry /dəˈrɛkt(ə)ri, daɪ-/
  目錄,工商名錄,指南目錄
  directory
  目錄
  Di·rect·o·ry a.  Containing directions; enjoining; instructing; directorial.
  Di·rect·o·ry, n.; pl. Directories
  1. A collection or body of directions, rules, or ordinances; esp., a book of directions for the conduct of worship; as, the Directory used by the nonconformists instead of the Prayer Book.
  2. A book containing the names and residences of the inhabitants of any place, or of classes of them; an address book; as, a business directory.
  3.  A body of directors; board of management; especially, a committee which held executive power in France under the first republic.
  4. Direction; guide. [R.]
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  directory
       n 1: an alphabetical list of names and addresses
       2: (computer science) a listing of the files stored in memory
          (usually on a hard disk)