The "Icon" tile type lets you create tiles consisting of an icon and an optional caption:

Font Awesome Icons: You can choose from several hundreds of "Font Awesome" icons as listed here: https://fontawesome.com/v4.7.0/icons/. Please enter the name of the selected icon, prefixed by "fa-". This example uses the below settings: Title:Upcoming EventsContent:fa-calendar
Google Material Icons: You alternatively can choose from several hundreds of "Google Material Icons"as listed here: https://material.io/icons/ Please enter the name of the selected icon, prefixed by "ma-". This example uses the below settings: Title:ProjectsContent:ma-explore/size=48
No Icon: You alternatively can choose to not display an icon, but rather specify a background color or a backdrop image by specifying "none" as the icon name. This example uses the below settings: Title:SUBMIT HELPDESK TICKETContent:none
Optional Parameters: You can optionally override the icon size and icon color by appending the "/color" and/or "/size" parameters as follows: Title:Welcome AddressContent:fa-youtube-play/color=red/size=42