RemixIconEx.Others.door_closed

You're seeing just the function door_closed, go back to RemixIconEx.Others module for more information.
Link to this function

door_closed(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Others.door_closed()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M3 21v-2h2V4c0-.552.448-1 1-1h12c.552 0 1 .448 1 1v15h2v2H3zM17 5H7v14h10V5zm-2 6v2h-2v-2h2z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}