slides: bit.ly/itp-illustrator-basics
RGB: screen based, all mixed - white
CMYK: ink based, all mixed - black
resolution: how dense the pixel inside a dimension
screen: 72 ppi is ok
print: 300 ppi is better
JPG (Joint Photographic Experts Group) compress is a lossy ways, compress more than PNG
PNG (Portable Network Graphics) lossless
GIF (Graphic Interchange Format) 8-bit color profile (256 color)
save for print: PDF or PNG
Window > Workspace > Essential Classic
Direct selection tool (white mouse) - change points inside a shape
the second one means stroke