Archive of Animus.

The Colors and detail seem to go into a lot more depth when you look at something other than the flowers.

I chose the name because it sounded alot (IMO) better than the original I chose

"Storage of Memory"

edit: The Vivid Imagery Might represent locales and memories that Riku stored within his head and longed to go back to.

edit edit: But that's a little grim