A GET request is one of the fundamental HTTP verbs.
A graphical user interface (or GUI) is an interface to a program built with images, words and symbols.
The common name for an associative array. A named collection of key/value pairs.
A Hello World program is a small program that simply prints something (usually "Hello world!") to the screen.
A hidden unique ID field in an HTML form to protect against Cross-site Request Forgery (CSRF) vulnerabilities.
Symbols used to define the structure and format of an HTML document.
The Hypertext Markup Language.
An idempotent HTTP request is one that does not alter the state of a web application.
An IFRAME element is an HTML element that embeds another document inside the current document.
The IMG tag places an image in an HTML document.
An operator used to retrieve individual elements from a collection of elements, such as a hash or array.
Input/Output (commonly referred to as i/o or IO) is the data being input into the program (from file, network or keyboard) and the output generated by the program (written to file, network or screen).
A client-side scripting language used in web browsers.
Any value associated with a key identifying it.
A literal is an object that can be constructed using special syntax.
