Loop, Repeat the same instruction until told to stop, Selection, Choose which block of code to run, depending on what has happened before, Sprite, The 'picture' that is moved on-screen, Background, The image behind the sprites, Variable, A user-made value that can be changed, Comparator, Used to compare the difference in two values, Events, Triggers used to determine when an action starts, Costume, Used to change the look of a sprite, Sensing, Used to decide when a sprite is interacting with an object.

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