Answer:
In the night a mountain, in the morning a meadow.
I can be cracked, I can be made. I can be told, I can be played.
I work when I play and play when I work.
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
Thousands of these come together to make a digital image. What is it?
When is it bad luck to see a black cat?