What is in this image? Describe it as if you were explaining it to someone from the 15th century.

This image depicts a woman lying on her stomach, supported by her elbows, with her feet playfully raised in the air. She is dressed in what might appear to you as unfamiliar attire, akin to undergarments possibly made of fine linens, that are fitted close to her body. Upon her head, she wears what could be seen as a tightly fitted cap, perhaps similar to a coif, which is adorned with little cloud-like embellishments. She is intently reading from a bound volume, which could be likened to the manuscripts of your time, though this one appears very regular and perhaps more durably crafted than many you might be familiar with. The artwork is simple and uncolored, focusing more on outlines and shapes than on details and textures, akin to some woodcuts you might have seen.