What does black mean?

In western culture, black generally represents derogatory meanings, such as: black days, sad, sad days, like "Black Friday";

Black is often used in paintings, literary works and movies to render the atmosphere of death and terror;

Black is the color of mourning, and people often wear black clothes to attend funerals.

But sometimes black also has positive significance, for example: in fashion, black represents a stable and solemn style; In spoken language, "new black" represents the latest fashion trend;

In finance and economics, the word "black" means entering the supermarket, which proves that there is no debt.

In China, sometimes black food is considered to be good for health, such as black pork or black-bone chicken, which is more nutritious and superior.

Black also represents "secret", "concealment" and uncertainty, such as underworld, which refers to underground criminal organizations.