This is the solar term. What does this mean?

Slight summer, the eleventh day of the twenty-four solar terms, is regarded as slight summer when the sun reaches 105 on July 7 or 8 every year. Summer heat, which means hot, is a little hot, not very hot. It means that the weather is getting hotter, but it is not the hottest, and most parts of the country are basically in line with it. Crops all over the country have entered a vigorous growth period, and it is necessary to strengthen field management.