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

Code Example 1

<label for="id_of_what_you're_labeling"></label>

<!-- for example-->
<label for="username"></label>
<input type="text" id="username">

Code Example 2

<!-- By reference -->
<label for="first_name">First Name</label>
<input type="text" id="first_name" name="first_name">

<!-- By wrapping -->
<label>First Name
  <input type="text" name="first_name">
</label>

Code Example 3

<form action="/action_page.php">

   <label for="male">Male</label>
  <input type="radio" name="gender" id="male" value="male"><br>
  <label for="female">Female</label>
  <input type="radio" name="gender" id="female" value="female"><br>
  <label for="other">Other</label>
  <input type="radio" name="gender" id="other" value="other"><br><br>
  <input type="submit" value="Submit">
</form>

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