title: What Rails-ActiveRecord association to use for this?
body: <p><strong>Let's say I have a computer model.</strong></p>
  
  <p>This computer has 2 characteristics:</p>
  
  <ul>
  <li><p>a name.</p></li>
  <li><p>a price.</p></li>
  </ul>
  
  <p>How would these characteristics be associated with the Computer Model? 
   (Ex: belongs_to, has_one,yadda yadda)</p>