What is the subject of Masaccio's "Trinity"?

Masaccio's "Trinity," painted in the early 15th century, primarily depicts the Holy Trinity, which includes God the Father, Christ, and the Holy Spirit symbolized by a dove. In this composition, the Virgin Mary and Saint John the Evangelist are positioned at Christ's feet, contributing to the overarching narrative of Christian redemption and the divine presence within humanity. The work is not just a portrayal of figures; it serves a theological purpose, illustrating the relationship between the divine and the human, as well as the concept of salvation through sacrifice. The use of linear perspective in "Trinity" also reflects the Renaissance interest in creating a sense of space and depth, enhancing the viewer's experience of the sacred subject matter. This focus on the Virgin Mary and her relationship to Christ is central to the composition, establishing why this answer accurately represents the subject of Masaccio's work.