<table>
defines table
<th> defines a table header
<tr> defines a table row
<td> defines a table cell
<colgroup> defines a group of columns in a table for formatting.
<col> defines attribute value for one or more columns in a table.
<head> groups the header content in a table.
<tbody> groups the body content in a table.
<tfoot> groups the footer content in a table.
<pre> its is used to define preformatted text.
