Check out example codes for "html form templates". It will help you in understanding the concepts better.

Code Example 1

<form action="" method="post">
  <!-- a hidden input -->
  <input type="hidden" name="a_hidden_input"/>
  
  <!-- a text input -->
  <input type="text" name="a_text_input"/>

  <!-- submit button -->
  <input type="submit" value="Submit"/>
</form>

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