What is the significance of the five elements of news value: "the imbalance of time and space makes time and space meaningful"

First of all, prominence can be roughly divided into four types: prominence in time, prominence in space, prominence in events and prominence in characters.

You said the first two.

Meaning shows that this time and place is special to us, which makes it meaningful, that is, it has the value of news reporting. For example, some holidays can be understood as the meaning of time, and some places where important battles have taken place in history can be understood as the meaning of space.