User:ATDT/Architecture

System metaphor
A system metaphor is a simple, shared story of how a system works. In a well-architected system, the design of each individual component reflects the system metaphor. Systems which exhibit this property are coherent.

Wiki
The system metaphor for MediaWiki is wiki. A wiki is protocol for collaboratively creating, manipulating, and viewing a shared collection of objects. The distinguishing property of this protocol is that change is nondestructive (copy-on-write) and reversible. By making change nondestructive, wikis support a collaboration model that gives participants both read and write privileges by default.

Not wiki
* A system metaphor is "a simple shared story of how the system work".
 * Wikitext is not wiki. (A wiki that uses Markdown

* The system metaphor for MediaWiki is wiki.

* A wiki is protocol for collaboratively creating and manipulation a shared collection of objects.

*

collection of objects

* Wiki is tightly coupled to APIs and user interfaces that