Heptapods' purpose. Heptapod purpose earth. What is your purpose? Do we only have Costello? Okay. There you are. What does it say? Offer weapon. You saw what they wrote! Using a word they don't fully understand. Could be a request. A warning. Enough! Louise? We don't know if they understand the difference between a weapon and a tool. Our language, like our culture, is messy, and sometimes, one can be both. And it's quite possible that they're asking us to offer them something, not the other way around. It's like the first part of a trade. So, how do we clarify their intentions beyond those two words? Well, I go back in.