Quote Originally Posted by Jannit View Post
That's true. However if we can agree that ink is on the exceptional side when it comes to intelligence in zombies then how can we expect others would understand the symbols?

We've already seen that they can't interpret numbers anymore and those should be something they're familiar with in their human life.
Couldn't Ink read numbers because he could read and input them in the keypad at the tower. Plus, he uses numbers on the Little One's. Randy could follow a list.