RemixIconEx.Media.play_circle

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

play_circle(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Media.play_circle()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10-4.477 10-10 10zm0-2a8 8 0 1 0 0-16 8 8 0 0 0 0 16zM10.622 8.415l4.879 3.252a.4.4 0 0 1 0 .666l-4.88 3.252a.4.4 0 0 1-.621-.332V8.747a.4.4 0 0 1 .622-.332z" />
</svg>

example usage

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