to-do-list.html

<div id="list-id">To-Do List</div>
<ul aria-labelledby="list-id">
  <li aria-labelledby="item-1">
    <label>
       <input type="checkbox" />
       <span id="item-1">Do Laundry</span>
    </label>
  </li>
  <li aria-labelledby="item-2">
    <label>
       <input type="checkbox" checked />
       <span id="item-2">Buy Coffee</span>
    </label>
  </li>
</ul>
<form aria-label="Add To-Do Item">
  <input aria-label="To-Do Item" />
  <button type="submit">Add</button>
</form>