Imagine starting at the center of a compass, this tells you to go west once then east once and you are back at the center.
Each set of numbers (x,y) are points on a graph. For example (1,1) (1,-1) (-1,-1) (-1,1) is a square.
This code is in Braille, each block of dots represent a letter.
Unless you’re a science major, Google images is your best friend on this one.
That’s it for this week. Come back next week for an additional set of hints!