tight collaboration

Stephen Schmidt

Senior Member
“Nowadays, robots are kind of everywhere. What they typically do not do is really
tight collaboration with people and collaboration between different robots. So
that’s one of the big topics to look into ‒ what do robots need to do in order to
be able to work in these human-robot teams.”
Hi everyone:
This quotation is from a news article of EuroNews website. What does "tight" here mean?
Does it "difficult"?
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