Font tower, also known as font, treasure tower, word incinerator, tribute pavilion and so on, as the name implies, is a tower-shaped building that burns character paper in ancient times. The ancients believed that writing was sacred and noble, and that written paper should not be discarded at will, even if the waste paper needed to be washed and incinerated. When burning words and paper, it is very solemn, not only with special personnel, but also with special etiquette. Villagers in some places also organize cherish associations. In addition to volunteering, people volunteer to take to the streets to collect words and paper. After all the used subsets of Confucian classics are worn and broken, they should be sacrificed in the font tower for ten or eight years, and then set on fire and incinerated after a memorial ceremony on an auspicious day. From the Ming Dynasty, the word Kuta appeared in southern China, to the Qing Dynasty, the belief in cherishing the word paper reached its peak, and now most of the remaining character towers were built in the Qing Dynasty.
The author's main intention, according to the passage, is to elaborate on the concrete ritual of ancient people cherishing and honoring words.