Review the following list of key terms:
- LAMP—An open source web service stack consisting of the Linux operating system, the Apache web server, the MySQL database system, and any of three programming languages that start with "P" (PHP, Perl, or Python).
- SOAP—A message exchange protocol for web applications.
- Web service architecture—A paradigm for building custom network applications around web components.
- WSDL (Web Services Description Language)—An XML-based format for describing network services.
- XML (eXtensible Markup Language)—A markup language used for defining and transmitting program data in a web service application.