I'm going to assume you mean drawing software, so,
It's called the lasso, or selector.
I’m not 100% sure but I think it’s drop patterns
yes i think so even though humans have there own meaning when it comes to color
This would be false. In a culture, many things are done similarly. This would include the past. If you've ever seen Egyptian artwork, you would see that many things are similar.
I hope this helps!
~cupcake