Kerning refers to the horizontal space between individual pairs of letters (a kerning pair), and is used to correct spacing problems in specific letter combinations like “VA”.
Leading is the vertical space between lines of text, from baseline to baseline. Also known as linespacing.
Tracking adds space between successions of characters.
Establish a scale, think biggest to smallest, top to bottom.
Use white space to help with the flow.
Watch out for widows and orphans!