Directories are Internet catalogs which organize their links by subject matter.
The main drawback of using directories is that the only sites listed in them are those which the web authors have told them specifically about. Therefore, they won't have nearly as many sites listed as you would find in a Search Engine. Additionally, it is sometimes difficult to navigate to what you are looking for with a directory. However, the better directories have also combined search capabilities within their directories to help eleviate this problem. The best known and one of the most comprehensive directories available is from the folks at Yahoo .