Answers for "what a table in HTML is"

table html

<table>
  <thead>
    <tr>
      <th>header1</th>
      <th>header2</th>
      <th>header3</th>
    </tr>
   </thead>
   <tbody>
     <tr>
       <td>text1.1</td>
       <td>text1.2</td>
       <td>text1.3</td>
     </tr>
     <tr>
       <td>text2.1</td>
       <td>text2.2</td>
       <td>text2.3</td>
     </tr>
     <tr>
       <td>text3.1</td>
       <td>text3.2</td>
       <td>text3.3</td>
     </tr>
     <tr>
     </tr>
  </tbody>
</table>

html tables

<table></table>
    <td></td> <!-- td is a table cell-->
    <tr></tr> <!-- tr is a table row-->
    <th></th> <!-- th is the table header -->
    <thead></thead><tbody></tbody><tfoot></tfoot> <!-- table semantic -->
    <tr rowspan="2"></tr><!-- Span a row -->
    <tr colspan="2"></tr><!-- Span a column -->