From designers' point of view, there are 4 levels of presentation categorized by the form and function of the output concerning the web services.
Putting all kinds of electronic files on the web without deliberate design of automatic functions or multimedia effects.
Providing at least 2 functions of link and file transferring :
Link: in-page (titles, bookmarks...etc.), out-page (other pages in the web, other files in the host computer, other websites, resources on internet).
File transferring: download, upload files, using email and its subsidiary functions.
A set of organized, categorized, systematic, and ordinal files and folders including web pages, configurations, multimedia...etc.
A bundle of disorganized web pages is not a real complete website, though they may claim themselves are.
There are 3 basic conditions for a complete website:
Structure: with organized, categorized information.
Navigation: with systematic, ordinal index for retrieving information.
Style: with clear theme and appearance of coherence, uniqueness.
There are 4 more features:
Common Goal: interest, activity, task...etc.
Members: a group of people who pursuit the common goal.
Interaction: there are interactive behaviors to share the resource, accomplishment...within the members.
Growth: becoming an organism. There is coordinator(s) (moderators) or coordination mechanism to assist the growth of the community.
In fact, it is an application of web templates. Users simply input their contents without consideration of designs.
Variants are Twitter, Plunk and more are coming.
Nevertheless, users do not have enough autonomy, and the flexibility of personalization is limited also.
Wiki: Originally it was a web software for collaboration, then it became a idea for open sources and collaboration.
There are other similar services such as Project Gutenberg for free contents.