Authentication
- The act of verifying the identity of a computer system user. [Wikipedia link]
Authorization
The act of verifying that an authenticated computer system user is allowed access. See Authentication. [Wikipedia link]
Cloud Computing
The on-demand availability of computer system resources, especially data storage (cloud storage) and computing power, without direct active management by the user. [Wikipedia link]
Data Warehouse
A central repository of integrated data from one or more disparate sources. [Wikipedia link]
Extensible Markup Language (XML)
A markup language and file format for storing, transmitting, and reconstructing arbitrary data. [Wikipedia link]