Arrays

ARRAYS:

Array: An object that serves as a container to group multiple objects together.

Associative array: An array that uses string keys to identify individual elements.

Dictionary: An array whose items consist of pairs of objects, known as the key and the value. The key is used instead of a numeric index to identify a single element.

Element: A single item in an array.

Index: The numeric "address" used to identify a single element in an indexed array.

Indexed array: The standard type of array that stores each element in a numbered element, and uses the number (index) to identify individual elements.

Key: The string or object used to identify a single element in an associative array or a dictionary.

Multidimensional array: An array containing items that are arrays rather than single values.