title: What does "X wrapper for Node.js" generally mean?
body: <p>For instance the <a href="https://www.npmjs.com/package/google-speech-api" rel="nofollow"><code>google-speech-api</code> package</a> is described as a "Google Speech API wrapper for node." </p>
  
  <p>what exactly is a wrapper in this kind of context?</p>