What does signum temporis mean?

"Signum temporis" is a Latin phrase that translates to "sign of the times" or "mark of the age."

It refers to a specific characteristic or event that is indicative of the current social, cultural, or historical period.

Here are some examples of how it's used:

* "The widespread use of smartphones is a signum temporis of our modern world."

* "The rise of nationalism in many countries is a signum temporis that we are living in uncertain times."

The phrase emphasizes the idea that the current era has its own unique traits that distinguish it from other historical periods.