HTML source code for create a text field

<!DOCTYPE html>
<html>
<body>

<form action="">
First name: <input type="text" name="firstname"><br>
Middle name: <input type="text" name="middlename"><br>
Last name: <input type="text" name="lastname">
</form>

</body>
</html>

HTML source code for create a definition list

<!DOCTYPE html>
<html>
<body>

<h4>A Definition List:</h4>
<dl>
  <dt>MCA</dt>
  <dd>- Master of computer application</dd>
  <dt>BCA</dt>
  <dd>- Bachelor of computer application</dd>
</dl>

</body>
</html>

Nested list in unordered pattern

<!DOCTYPE html>
<html>
<body>

<h4>A nested List:</h4>
<ul>
  <li>MCA</li>
  <li>MBA
    <ul>
    <li>BCA</li>
    <li>BBA</li>
    </ul>
  </li>
  <li>PGDCA</li>
</ul>

</body>
</html>

HTML source code for create different types of unordered list

<!DOCTYPE html>
<html>
<body>

<h4>Circle bullets list:</h4>
<ul style="list-style-type:circle">
 <li>MCA</li>
 <li>BCA</li>
 <li>PGDCA</li>
</ul>  

<h4>Square bullets list:</h4>
<ul style="list-style-type:square">
 <li>MCA</li>
 <li>BCA</li>
 <li>PGDCA</li>
</ul>

<h4>Disc bullets list:</h4>
<ul style="list-style-type:disc">
 <li>MCA</li>
 <li>BCA</li>
 <li>PGDCA</li>
</ul>  

</body>
</html>

HTML source code for create different types of ordered list

<!DOCTYPE html>
<html>
<body>

<h4>Letters list:</h4>
<ol type="A">
 <li>MCA</li>
 <li>BCA</li>
 <li>PGDCA</li>
</ol>  

<h4>Lowercase letters list:</h4>
<ol type="a">
 <li>MCA</li>
 <li>BCA</li>
 <li>PGDCA</li>
</ol>  

<h4>Roman numbers list:</h4>
<ol type="I">
 <li>MCA</li>
 <li>BCA</li>
 <li>PGDCA</li>
</ol>  

<h4>Lowercase Roman numbers list:</h4>
<ol type="i">
 <li>MCA</li>
 <li>BCA</li>
 <li>PGDCA</li>
</ol>

<h4>Numbered list:</h4>
<ol>
 <li>MCA</li>
 <li>BCA</li>
 <li>PGDCA</li>
</ol>  
  
</body>
</html>