What does the summer solstice solar term mean?

The summer solstice is the 10 of the 24 solar terms.

The solstice in summer is the turning point of the sun's northward movement. After the summer solstice, the direct point of the sun began to move south from the Tropic of Cancer, and the days in the northern hemisphere began to shorten gradually. For China, which is located in the north of the Tropic of Cancer, after the summer solstice, the height of the noon sun begins to decrease day by day; For China, which is located in the south of the Tropic of Cancer, after the summer solstice, the height of the sun returned to the south at noon, and it began to decrease day by day after the sun shone again.