In this minimalist prompt, capture the essence of solitude within a symmetrical composition rendered in black and white. Position a solitary subject centrally within the frame against a plain background, ensuring perfect alignment and balance. Whether it's a lone figure, a single object, or an architectural feature, let the symmetry emphasize the simplicity and elegance of the scene. Employ the monochromatic palette to enhance the starkness of the composition and evoke a timeless sense of introspection and tranquility.