SEO Terminology D
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Directory: A site devoted to directory pages.
Directory page: A page of links to related Web Pages.
Doorway (gateway): A page of a website from where user leaves the website.
Duplicate content: The same content over any webpage which is identical to some other which is earlier indexed or have copyright. Search engines block or put fine for duplicity of content.