| php - | PHP is a server side process that can be used, among other things, to communicate between the user's browser and databases that stay on the server between one session and another. It also overlaps with JavaScript, and is able to make web pages change based on circumstance or user action. |
| html - | HTML is the language used to tell the browser where and how to show things on the screen. Just about any site begins with HTML. |
| javascript - | A programming language which can be used to modify the elements on the screen when the user does something or something else happens. It is JavaScript that tells the browser to make this window appear when you move your mouse over the word JavaScript in the picture above. |
| Flash - | Flash is a tool than can be used to create complicated animations and videos. Flash can be programmed with ActionScript. ActionScript is a programming language for Flash somewhat analagous to what JavaScript is to HTML. ActionScript is also a key tool used to create interactions between the basic HTML page and the Flash animation it contains. |
| mysql - | Looking good is great, but to do anything with a little complexity, you’ve got to be able to save information. MySQL is a database manager which allows for doing just that. In simple terms, a MySQL database is where information is stored between one session and another. Saving data is important for things like mailing lists, shopping carts, or user account logins. |