How to use Commands Blocks

This is a map on how to use command blocks. Unconditional Impulse, Conditional Impulse, Unconditional Repeating, Conditional Repeating, Uconditional Chain, and Conditional Chain blocks. Not including actual commands, just, how to use the blocks. Hopefully, this will help beginners in Minecraft with command blocks. There are 4, possibly 5 lessons on how to use them, and even shows how to use the "Always Active" and the "Needs Redstone" features on the command blocks. This extremely short map was created by WSCKR.