RemixIconEx.System.arrow_drop_left

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

arrow_drop_left(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.System.arrow_drop_left()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M11.828 12l2.829 2.828-1.414 1.415L9 12l4.243-4.243 1.414 1.415L11.828 12z" />
</svg>

example usage

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