How Does a Dissolve Differ from a Fade

How does a dissolve differ from a fade?

A) A dissolve can be used to mark the passing of time, whereas a fade cannot.
B) A dissolve can be used to mark a connection between two shots, whereas a fade cannot.
C) A dissolve emphasizes the image, whereas a fade does not.
D) A dissolve's transition occurs simultaneously on the screen, whereas a black screen separates the two parts of a fade.
E) A dissolve is a transitional cut, whereas a fade is not.