JavaScript is a prototype-based scripting language that is dynamic, weakly typed and has first-class functions. It is a multi-paradigm language, supporting object-oriented, imperative, and functional programming styles. wikipedia.org

PHP is a general-purpose server-side scripting language originally designed for web development to produce dynamic web pages. wikipedia.org

An Internet Data Exchange (IDX) is a real estate property search site which allows the public to conduct searches of approved Multiple Listing Service properties in a certain area. wikipedia.org

An application programming interface (API) is a source code based specification intended to be used as an interface by software components to communicate with each other. An API may include specifications for routines, data structures, object classes, and variables. wikipedia.org

Drupal is a free and open-source content management system (CMS) and content management framework (CMF) written in PHP and distributed under the GNU General Public License. wikipedia.org

Adobe Creative Suite (CS) is a collection of graphic design, video editing, and web development applications made by Adobe Systems. The collection consists of Adobe's applications (e.g., Photoshop, Acrobat, InDesign), that are based on various technologies (e.g., PostScript, PDF, Flash). wikipedia.org

Electronic commerce, commonly known as e-commerce refers to the buying and selling of products or services over electronic systems such as the Internet and other computer networks.

Database programming is designing databases so that it is secure and meets the needs of end users. This requires practical knowledge of both the programming language used to extend the features of the database as well as the database platform itself.

HTML5 is a language for structuring and presenting content for the World Wide Web, and is a core technology of the Internet originally proposed by Opera Software. It is the fifth revision of the HTML standard. wikipedia.org