x1 is conscious, aware, capable of understanding experiences to some degree, and capable of forming new and lasting experiential memories according to standard x2.
Parallel to "jmive". The experiential memories are se vedli. Humans usually begin to become zamveka after a few years, with it being patchy until pre-adolescence. They say that everyone remembers where they were when they found out that some major public event (such as JFK's assassination or the September 11th attacks) had happened; but, in reality, such claims apply only to people who are zamveka (and thus excludes very young children).