All 3 Uses

reflection
in
The Memory Keeper’s Daughter
(Edited)

She used the same tone, but to her the unrest seemed deeply personal, a reflection of what had been going on within her heart for years.
p. 127.8 *

reflection = demonstration or expression
David, putting on his tie, watched Paul's reflection in the mirror.
p. 143.3 *

reflection = image
She paused in the peeling, looking past her own faint reflection in the window to the Foodland sign flashing red through the bare branches of the trees, thinking of David Henry.
p. 354.6

reflection = an image (seen on a mirror or other shiny surface)

Definitions:

(1) (reflection as in: my reflection in the mirror)
an image (seen on a mirror or other shiny surface)
(2) (reflection as in: lit by the reflection)
light seen after it bounces off a surface to another; or the process of bouncing light, sound, or other energy off of a surface
(3) (reflection as in: is a reflection of American values)
something that indirectly shows something else -- such as an indication, demonstration, expression, or representation of something
The exact meaning of this sense of reflection depends upon its context. For example:
- "The students' behavior is a reflection on the school." -- indication of quality
- "She says the immorality in the movie is a reflection of American values." -- expression or representation
- "It was a reflection of the selfishness she had seen growing for years." -- demonstration
- "The surrounding panic found no reflection in her." -- expression or demonstration
- "I saw no reflection of jealousy in her action." -- indication or sign
(4) (reflection as in: After reflection, I think...)
careful thought
(5) (reflection as in: a humbling reflection (memory))
memories and thoughts about them
(6) (meaning too rare to warrant focus)
See a comprehensive dictionary for less common meanings of reflection.