LitCharts assigns a color and icon to each theme in The Decameron, which you can use to track the themes throughout the work.
Love and Sex
Men and Women
Moderation and Excess
Intelligence
Class and Character
Faith vs. Religion
Summary
Analysis
On Sunday morning, the company attends mass at a nearby chapel, then pass the rest of the morning in various amusements. In the afternoon, they gather for the day’s tales, and Lauretta asks Neifile to begin.
The trip to the chapel is the only time in The Decameron that the brigata’s complete isolation is explicitly broken, since this brings them into contact with a priest (at minimum) and possibly other worshippers.