Font Awesome Icons
Theme has built-in FontAwesome icon so you can use icon font without uploading icon images. You can place FontAwesome icons on page/post content.
You can place Font Awesome icons just about anywhere using the CSS Prefix fa and the icon’s name. Font Awesome is designed to be used with inline elements (we like the <i> tag for brevity, but using a <span> is more semantically correct).
<i class="fa fa-camera-retro"></i>
Here are all listed icon which are available in FontAwesome. Please visit FontAwesome cheatsheet.
Themify Icons
Theme has built-in Themify icon so you can use icon font without uploading icon images. You can place Themify icons on page/post content using.
You can place Themify icons just about anywhere using span tag with their class name, please see list of available icons and classes here
<span class="ti-arrow-right"></span>