The Zend Debugger is a PHP extension which can be installed on a web server to enable the debugging of PHP scripts. Visit the Zend PDT website for more information.
LAMP is not software in itselft, but is acutally a solution stack of software used to run websites or servers. For more information on LAMP, visit wikipedia's LAMP Solution Stack article.
Since LAMP is not actually software in itself, to install and configure it, we will install and configure the individual software components that make up a LAMP Solution Stack.
phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web. Visit the phpMyAdmin website for more information.
mod_ssl is an Apache module that provides SSL v2/v3 and TLS v1 support for the Apache HTTP Server. See the mod_ssl documentation for more information.
mod_rewrite is an Apache module used to manipulate URL's and is compiled into the base Apache HTTP Server in CentOS. See the mod_rewrite documenation for more information.
The term Virtual Host refers to the practice of maintaining multiple servers on one machine, each server being defined by it's hostname (domain). See the Apache Virtual Host documentation for more information.
Apache HTTP Server is an open-source HTTP server for modern operating systems including UNIX and Windows NT. For more information on Apache HTTP Server, you can visit their website at httpd.apache.org.
This documentation was written for Apache HTTP Server 2.2.3 but may be usefull with other versions.