Review of HTML concepts 
   - structure - head, title, body
   - tag 
   - plain text
   - verbatim - pre
   - style - i, b, u, tt, font
   - alignment - align
   - headings 
   - line breaks - br, p
   - white space - &nbsp;
   - quotation - blockquote
   - line - hr
   - lists - ol, ul, dl
   - tables (lots of stuff)
   - references - a
   - images - img
   - links - relative, absolute, location, email
   - frames (no targetting links)