an entry in a directory; a reference to either a file or a directory.

	access-compatibility
	at: size

	private-initialization
	privateName:creationTime:modificationTime:isDirectory:fileSize:

	access	top
	creationTime time the entry was created. (what's its type?)
	fileSize size of the entry, if it's a file
	isDirectory whether this entry represents a directory
	modificationTime time the entry was last modified
	name name of the entry

	access-compatibility	top
	at: compatibility interface
	size Answer how many elements the receiver contains.

	private-initialization	top
	privateName:creationTime:modificationTime:isDirectory:fileSize:

	instance creation	top
	fromArray:
	name:creationTime:modificationTime:isDirectory:fileSize: