The soldier takes in the various buttons Diarmuid points out and commits it to memory, intending to keep track of what's going on through the Network and his own surveillance. It's an easy way to do it, and he's learned that people tend to share more than is safe. It's useful for tracking targets.

At the end of the boy's explanation, he nods. He's acquired skills with much less direction than labeled buttons; finding out any other functions should be simple.

"I can figure out the rest."