"What has all that had happened here got to do with signals from the stars?"

A lot of it has to do with eye contact or little signals I give.

Everybody had one and could access it with an internal signal.

This can be a single wire with an on/off signal.

With a signal, he slowed his men to a walk.

But with enough signals, it is possible to do statistical analysis.

Also, bids may be made with signals instead of being called out.

But nothing happened when the cell was challenged with outside signals.

Clearly a neighbor has set up an access point with a signal strong enough to reach my kitchen.

Even with a scrambled signal, you're getting close enough to the planet for them to home in on you.