What do the three cultures of college entrance examination Chinese refer to?

Excellent traditional culture, red revolutionary culture and advanced socialist culture.

The proposition of Chinese composition in college entrance examination in recent three years has highlighted the value orientation of "three cultures"-excellent traditional culture, red revolutionary culture and advanced socialist culture. This sentence seems to be somewhat abstract, which is embodied in the following aspects: the core of the proposition further focuses on the socialist core values, highlights the value-oriented function, and guides students to actively explore the value orientation behind the "three cultures."

Culture, in a broad sense, refers to the sum of material and spiritual production capacity and the material and spiritual wealth created by human beings in the process of social practice, and in a narrow sense refers to spiritual production capacity and spiritual products.