The Liferay Clay taglibs provide several icons that you can use in your apps.
Use the clay:icon tag and specify the icon with the symbol attribute:
<clay:icon symbol="folder" />
Figure 1: You can include icons in your app with the Clay taglib.
The full list of icons is shown below:
Figure 2: The Clay taglib gives you access to several Liferay DXP icons.
The Liferay Clay taglibs also provide a set of language flag icons that you can use in your app. The full list of language flags is shown below:
Figure 3: You can include language flags in your apps.