The word publication means the act of publishing, and it also means any writing of which copies are published, and any website. Among publications are books, and periodicals, the latter including magazines, scholarly journals, and newspapers.
Computers and the internet have changed the face of publishing, lowering the cost, and allowing more people to publish, through both desktop publishing and internet publishing.
The web publishing including to the spesific publications. The other are legal definiton and Taxonomy. These publications have to be characterized in a more specific sense and contexts.
Source : Wikipedia, Free Encyclopedia.