th

Defines a header cell in a table.

<th><!-- Takes in header information --></th>

Note: There are two kinds of cells, a header cell(contains header information) created by the <th> element and data cell(contains data) created by the <td> element.

Defining header cells in a table.

<table>
  <tr>
    <!-- Header cells -->
    <th>Company</th>
    <th>Phone</th>
  </tr>
  <tr>
    <td>Apple</td>
    <td>iPhone</td>
  </tr>
  <tr>
    <td>Samsung</td>
    <td>Galaxy</td>
  </tr>
</table>