Communication is key, but we often forget that it’s just as important in front of a store or on the road as with other people. Fortunately, our species developed the idea of a sign a pretty long time ago. It’s so common, we generally overlook them, unless, of course, we see something completely unexpected. Things like “stop” or “no dogs” contextually make a lot of sense, but if you saw “no frogs” that might start to raise some questions.
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