HTML <td> element

<td> tag defines table cell. It's a void tag, no closing tag </td> is needed.

HTML Form Tag PHP Form Validation JS Form Submit

HTML Code of above table:
<table border=2>
<td><a href="form.php">HTML Form Tag</a>
<td><a href="../php/formvalidation.php">PHP Form Validation</a>
<td><a href="../js/submitform.php">JS Form Submit</a>

Specific attributes of <td> tag:
headers header id associated with
colspan columns to span over
rowspan rows to span over