How would you tell someone from another planet who visited Earth how to walk to school? You can’t just say keep walking until you get to school. They don’t know what is a school or how to get to school.
So, you have to precisely explain what each of those are in vocabulary they understand. Computers can only follow directions, so you have to precisely explain the directions in vocabulary they understand. Going back to the example above, the computer doesn’t have a built-in mechanism that allows a character to go to school. But, you can add motion blocks to do that.
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