open

close

command

<b> </b> bold letters

<i> </i> italic letters

<br> line break

<p> 2 line breaks

<ul><li>adsflk unordered list</ul>

<ol><li>asdlkf ordered list</ol>

<hr> line to separatesegments in a document (such as under the title)

<strike></strike> strike through text

<center></center<left></left> align text<right></right>

http://www.w3.org/MarkUp/ 

http://archive.ncsa.uiuc.edu/General/Internet/WWW/HTMLPrimerAll.html 

http://www.ncsu.edu/it/edu/html_trng/html_basics.html  

http://www.w3.org/MarkUp/Guide/ 

http://werbach.com/barebones/