HTML

table columns html

<!-- <th> means Table Header,
 	 <tr> means Table Rows, and
	 <td> means Table Columns. -->
<table border="2">
  <th></th>
  <tr>
    <td></td>
  </tr>
</table>
<!-- You guys can add bgcolor="color" attributes, if you want to and so on... -->
<th bgcolor="orange">Orange</th>
<td bgcolor="red">Red</td>
<td bgcolor="yellow">Yellow</td>
<!-- To colspan cells use, colspan="value(1,2,3..)". -->
<tr>
  <td>Green</td>
  <td colspan="2">Blue</td>
</tr>

table columns html

Row:<tr>
Cell:<td>

<table>
	<tr>
    	<td>Cell1</td>
    	<td>Cell2</td>
    	<td>Cell3</td>
	</tr>
</table>

Number of columns is equal to the number of <td> elements in a row.