What do solar terms and seasons mean?

It's twenty-four solar terms. Solar term: one of the twenty-four qi. Since the slight cold, every 30-degree increase in the solar meridian is another solar term. There are slight cold, beginning of spring, Jingzhe, Qingming, Changxia, Mangzhong, Xiaoshu, beginning of autumn, Bailu, Hanlu, beginning of winter and Daxue. It's called twelve solar terms. \x0d\ Festival: solar terms and seasons. There are poems on land travel. \ x0d \ There is a song in 24 solar terms: Spring rains shake spring and bright valleys, and summer is full of mountains and summer is connected with heat. Autumn dew, autumn frost, little snow in winter and cold in winter. \x0d\ An explanation: \x0d\ Spring rains startle spring and clear the valley days: beginning of spring, rain, sting, vernal equinox, Qingming, Grain Rain \x0d\ Summer Man Mangxia Lian: Long summer, Xiaoman, Miscanthus, summer solstice, little summer, big summer \x0d\ autumn dew first frost: beginning of autumn.