Science fiction can very easily overcomplicate itself in terms of technology. It's just so exciting to explore new technological ideas!
Technology is never, actually, complicated. The only thing that keeps us from understanding it is the language and conceptual models used to describe it.
Kiellen and Tash are interacting with an amazing complex piece of technology and doing something that no human on Earth can, at this time, do. Painting the act with recognizable words such as "pattern" and "dance" can bring us a bit closer to something that would otherwise be out of our grasp.