HTML

block -level elements

<address> - create postal address . 
<article> - tag specifies independent, self-contained content. 
<aside>- tag defines some content aside from the content it is placed in. 
<blockquote>- tag specifies a section that is quoted from another source.
<canvas>-tag is used to draw graphics, on the fly, via scripting (usually JavaScript).
<ul>- tag defines an unordered (bulleted) list.   
<ol>-tag defines an ordered list. An ordered list can be numerical or alphabetical.  
<li>- create list.  
<dd>-tag is used to describe a term/name in a description list. 
<dl>- description list.  
<dt>-description title. 
<p>-tag defines an ordered list. An ordered list can be numerical or alphabetical.
<div>-tag defines a division or a section in an HTML document.
<pre>-tag defines preformatted text. 
<section>-tag defines a section in a document. 
<table>-tag defines an HTML table. 
<tfoot>-tag is used to group footer content in an HTML table.
<video>-tag is used to embed video content in a document, such as a movie clip or other video streams.  
<fieldset>-tag is used to group related elements in a form.