Priority list
 * Main window - general look and feel of menus, tabs, flaps, book desktop and tabbar.
 * Document window - general look and feel of the book window, bottom panel (should this be at the bottom?)
 * Icons - application icons. Reader, author and server.
 * Splash screen
 * Help window - General look and feel.
 * Page elements
  * Page - look and behavior - how it is resized?
  * Frame - General behavior of a frame - how it is manupulated, content manipulation, move, resize, rotate. Margin and padding - when are these visible, how do they look.
  * Frame - Look and feel
  * Frame - controls. Transparent? Autohiding? General look of the controls - Play, Pause, Stop, Reload, Rewind, Back, Next. These are used in Multimedia and browser frames.
 * Halos - specific halos - page appearence, frame appearence, frame properties, link, anchor, character, paragraph, chaining, align, group, ungroup, enter group, exit group
 * HUDs - specific HUDS - page, frame appearence, frame properties, align hud
 * Palettes - General look and feel of palettes. Specific palettes. Page preview palette. Templates palette (should think of names too). Resources palette. Configuration palette. Probably Book extras palette.
 * HUDs - specific HUDs - Character, paragraph, link.
 * Halos - other halos
 * HUDs - other huds
 * Palettes - other palettes
 * Dialogs - General look and feel.
 * Installation wizard - look and feel.
 * Floating palettes - interaction design, look and feel. How are they triggered, where are they hidden. Search palette, Search and Replace palette.