The translator was not designed for a solely gestural language.
Instead, they developed their own secret gestural language.
In natural primate communities, the existing nonverbal communications are so rich that there is little pressure for the development of a more elaborate gestural language.
Why are there no nonhuman primates with an existing complex gestural language?
That made sense and he realized the gestural language was perhaps easily learned because it followed a conceptual logic.
"You speak my gestural language," she signed back to Spock.
But the overlapping of two kinds of gestural language - his and Miss Brown's - was more to the point.
What makes "Ruins and Visions" distinctive is its spare gestural language.
Professionals who watch the development of the gestural language suggest that it, too, may be changing more rapidly.
It accompanies the introduction of an attempt to develop a universal gestural language.