Definition of directories:
(n) :
(computing) A structured listing of the names and characteristics of the files on a storage device.
(n) :
(computing) A virtual container in a computer's file system, in which files and other directories may be stored. The files and subdirectories in a directory are usually related.
(n) :
A list of names, addresses etc, of specific classes of people or organizations, often in alphabetical order or in some classification.
(adj) :
Containing directions; instructing; directorial.
(n) :
(politics) A form of government with a collegial executive whose members jointly exercise power; the executive of such a government.