This document discusses and provides examples of different drafting styles for letters, including: 1) Fully-blocked style, which uses uniform margins and indentation for all lines. 2) Noma simplified style, which has no indentation and the subject line is fully capitalized. 3) Fully-indented style, which indents all lines except the heading. 4) Hanging paragraph style, which indents the first line of each paragraph except the first.