RemixIconEx.Media.play_list

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

play_list(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Media.play_list()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M2 18h10v2H2v-2zm0-7h14v2H2v-2zm0-7h20v2H2V4zm17 11.17V9h5v2h-3v7a3 3 0 1 1-2-2.83zM18 19a1 1 0 1 0 0-2 1 1 0 0 0 0 2z" />
</svg>

example usage

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