The document discusses various typography concepts including:
1) Typefaces have families and styles, and are measured in points. Column widths should match type size.
2) Readability is affected by alignment, capitalization, leading, and indentation. Sans serif, serif, small caps, and other styles have different uses.
3) Effective typography considers contrast, readability, and appropriate use of styles like bolding, justification, and script. Headlines require close attention.