Sprites? Stages? Blocks?

Scratch consists of 3 components:

Sprites

A computer graphic that may be moved on-screen and otherwise manipulated as a single entity.

sprites.gif

Stage

The background of the project, but can have scripts, backdrops (costumes), and sounds, similar to a sprite. It has some restrictions of sprite functionality, such as motion and size blocks.

stages.jpg

Blocks

Puzzle-piece shapes that are used to create code in Scratch Links to an external site.. The blocks connect to each other like a jigsaw puzzle, where each data type (event, command, reported value, reported boolean, or script end) has its own shape and a specially shaped slot for it to be inserted into — this prevents syntax errors. Series of connected blocks are called scripts Links to an external site..

blocks.jpg