I need help with the radio buttons

Tell us what’s happening:
Describe your issue in detail here.
what does a radio button group mean? its the last thing im trying to solve T-T I tried putting an id of group1 because thats what I saw in on a website and also tried nesting the radio buttons in a div element
Your code so far

/* file: index.html */
<!DOCTYPE html>
<html>
 <head>
  <link rel="stylesheet" href="styles.css"/> 
 </head>
 <body>
   <h1 id="title">Survey Form</h1>
   <p id="description">This is a description about the survey form</p>
   <form id="survey-form">
     <fieldset>  
       <label id="name-label">Enter Your Name: <input required id="name" type="text" placeholder="John Smith" /></label>
       <label id="email-label">Enter Your Email: <input required id="email" type="email" placeholder="abc123@gmail.com"/></label>
       <label id="number-label">Enter Your Age: <input required id="number" type="number" min="13" max="120" placeholder="13" /></label>
       <select id="dropdown">
         <option>Option 1</option>
         <option>Option 2</option>
       </select>
     </fieldset>
     <fieldset id="group1">
       <label><input type="radio" class="inline" value="1" name="choice 1"/> Choice 1</label>  
       <label><input type="radio" class="inline" value="2" name="choice 2"/> Choice 2</label>
     </fieldset>

     <fieldset>
       <label>
         <input type="checkbox" name="fill" class="inline" value="fill-out" required /> I agree to fill out this form
			  </label>
       <label>
         <input type="checkbox" name="terms" class="inline" value="conditions" required /> I accept the <a href="https://www.freecodecamp.org/news/terms-of-service/">terms and conditions</a>
			  </label>
       <label>Tell us about yourself:
         <textarea name="bio" rows="3" cols="30" placeholder="I like coding on the beach..."></textarea>
			  </label>
     </fieldset>
       <input type="submit" id="submit"/>
   </form> 
 </body>
</html>
/* file: styles.css */
body {
 width: 100%;
 height: 100vh;
 margin: 0;
 background-color: #1b1b32;
	color: #f5f6f7;
 font-family: Tahoma;
	font-size: 16px;
}

h1, p {
 margin: 1em auto;
 text-align: center;
}

form {
 width: 60vw;
	max-width: 500px;
	min-width: 300px;
	margin: 0 auto;
 padding-bottom: 2em;
}

fieldset {
 border: none;
 padding: 2rem 0;
 border-bottom: 3px solid #3b3b4f;
}

fieldset:last-of-type {
 border-bottom: none;
}

label {
 display: block;
	margin: 0.5rem 0;
}

input,
textarea,
select {
 margin: 10px 0 0 0;
	width: 100%;
 min-height: 2em;
}

input, textarea {
 background-color: #0a0a23;
 border: 1px solid #0a0a23;
 color: #ffffff;
}

.inline {
 width: unset;
 margin: 0 0.5em 0 0;
 vertical-align: middle;
}

input[type="submit"] {
 display: block;
 width: 60%;
 margin: 1em auto;
 height: 2em;
 font-size: 1.1rem;
 background-color: #3b3b4f;
 border-color: white;
 min-width: 300px;
}

input[type="file"] {
 padding: 1px 2px;
}
   **Your browser information:**

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Safari/605.1.15

Challenge: Build a Survey Form

Link to the challenge:

This might help, from the MDN docs: