The audience should know what that means, given the powers of the stones involved. It's the emotional impact on the characters that should resonate, expecting them to resonate in the same way with savvy viewers is a little unrealistic for a comic book movie.

What should resonate is how the stakes have raised for those left behind, and what this does, potentially, is allow for greater focus on the original Avengers now that a lot of the wider universe heroes are sidelined.