Looks like your smoke signals must have worked after all.

There was only one reason of which he could think for a smoke signal now.

Using her own car, she knew, would be like sending up smoke signals.

His breath was like a smoke signal in the cold gray air.

I will send up smoke signals when the great moment arrives.

Then tomorrow, if it looks clear, we go get some green wood and leaves from across the way to make a smoke signal with.

Taking hands, the children ran straight in the direction of the smoke signal, along the trail which opened before them.

While this made for interesting movies, the reality of how smoke signals were used isn't as complex.

I wasn't sure where to look for you until that smoke signal appeared.

I saw your smoke signal last night, so I've been waiting.