Why do different cultures have varying greetings and gestures?

Different cultures have varying greetings and gestures because people in different places learned special ways to say hello that fit their lives.

Imagine you're playing with your friends in a big park. Some of them wave, some of them high-five, and others just shout "Hey!", all are ways to greet each other, but they’re not the same.

In some parts of the world, people say "hello" by bowing, like in Japan. In others, like in France, they might kiss on the cheek. It's like how your family has different names, some families call it "good morning," and others say "mornin’".

If you live in a place where it’s cold and snowy, maybe people use bigger gestures to warm up, like hugging or shaking hands hard. If you're in a busy city with lots of people passing by, maybe your greeting is quick, like a wave or a nod.

So, just like how you and your friends have different ways to say hello at the park, people all over the world have their own special greetings, because they learned them from the way they live!