Ruff draft of second level

Draft of bottom level

VECTORS vs. BITMAPS

Vectors use math no matter how big or small you make them they will never become fuzzy or pixelated.  A picture in vectors uses an equation, this makes them always perfect but makes them load longer. If we did everything in vectors it would take an hour to load a webpage.
Bitmaps use pixels.  Each pixel it assigned a color and value and they all make up the picture.  To make a bitmap picture bigger you increase the number or size of the pixels.  They are easier to load but can come out blurry.
                                                              Bitmap

Vector

source: http://www.illustratortips.com/index.php/Instruction/Beginner-Tips/vector-vs-raster.html

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