what is a fieldset html

1The <fieldset> is a tool for organizing and grouping related 
2items within a form. (Mostly visual for the reader).
3 
4 <form>
5  <fieldset>
6
7    <input type="radio" id="kraken" name="monster">
8    <label for="kraken">Kraken</label>
9
10    <input type="radio" id="sasquatch" name="monster">
11    <label for="sasquatch">Sasquatch</label>
12
13  </fieldset>
14</form>