This command can be used to make a block of commands run a set number of times or forever.

When a program requires an input from a user such as a click or text from a keyboard.

Use this command to run a block of commands after a timed delay or at regular intervals.

A conditional command. This tests a statement. If the condition is true, then the commands inside the ‘if block’ will be run. If the condition is not met, then the commands inside the ‘else block’ are run.

An element in a computer program that can be changed using actions or properties

Information that comes out of the computer e.g. sound.

A sequence of characters, which could form words, phrases or even whole sentences

A conditional command. This tests a statement. If the condition is true, then the commands inside the block will be run.

A model that represents a real or imaginary situation.

This is a conditional/decision command. When this is used, a program will choose a different outcome depending on a condition.

Information going into the computer. Can include moving or clicking the mouse, using the keyboard, swiping and tilting the device

Something that causes a block of code to be run.

A block or sequence of code that you can access when you need it, so you don’t have to rewrite the code repeatedly Instead, you simply 'call' the function each time you want it.

This is when a computer program runs commands in order.

The action of linking things together in a series.

A precise step by step set of instructions used to solve a problem or achieve an objective.

A method of breaking down a task into manageable components. This makes coding easier as the components can then be coded separately and then brought back together in the program.

A single instruction in a computer program.

Looking for any problems in the code, fixing and testing them.

They help visualise what is going on and thereby help understand a process