Why is it easier to communicate with peers than with older or younger ones?

1. Why is it easier to communicate with peers than with older or younger ones? 2. What helps to communicate with elders? 3. What makes it easier to communicate with those who are younger than you? 4. What words can be written in a general, universal recipe for communication?

When communicating with peers, it is much easier to find common topics for conversation, since children of the same age have similar problems, experiences and joys.
For adults, all these experiences and problems may seem insignificant and insignificant.
Therefore, when communicating with elders, you need to argue why certain things are important.
However, it is worth considering that when communicating with the younger ones, you are already acting in the role of the elders and you must try to hear what the younger guys want to say.
The universal words in communication are always words of respect and gratitude: hello, thank you, please, goodbye.