RemixIconEx.Communication.chat_4

You're seeing just the function chat_4, go back to RemixIconEx.Communication module for more information.
Link to this function

chat_4(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Communication.chat_4()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M5.763 17H20V5H4v13.385L5.763 17zm.692 2L2 22.5V4a1 1 0 0 1 1-1h18a1 1 0 0 1 1 1v14a1 1 0 0 1-1 1H6.455z" />
</svg>

example usage

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