Programming teminology definitions

I am looking for a webpage that lists programming teminology definitions in simple terms like what is the defition of:


I just need short, simple text definitions.  I have tried using Google, but I just want the information in plain simple language.  If you could point me to an exact webpage it would be most helpful.   I am trying to learn Windows PowerShell, but I am not a programmer.
RyanHelp DeskAsked:
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David Johnson, CD, MVPOwnerCommented:
What is an array
In programming terminology, an array is a collection of data/values where each value has an 'index' or location associated with it. An array incorporates, among others, a mechanism of accessing values placed in it (by index, usually, or by position in 'queue' or 'stack', referring to the first and last index), and a mechanism of manipulating it (adding values, changing or overwriting a value, deleting values etc.). Indices may be numerical or 'keys' (like in associative arrays/objects, if you have seen them).

What is a string
A string is a special array of characters

What is a Variable
In programming, a variable is a value that can change, depending on conditions or on information passed to the program. Typically, a program consists of instructions that tell the computer what to do and data that the program uses when it is running.

A function is a group of commands that take an input and produce a return value(s)

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RyanHelp DeskAuthor Commented:
was very helpful.  I can use this website to look up other definitions as well.

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