A flag on either side means that house is in session.

"So, the two flags could mean dangerous cargo, require assistance."

You don't know what that flag means to me.

The movie's message is characterized by its final words, "The flag means more than death".

No one has yet knocked on the door and asked, "What does that flag mean?"

That's one of the reasons flags mean so much to me.

Did the neutral flag mean that he had not yet decided on whose side to fight?

One lap remained, but the waving flags meant there would be no more racing.

Two red flags means the water is closed to the public.

No single red flag means that a company is questionable.