Features has same functionality as tags with different usage, with this tool you can specify which features your listing already has. For example WiFi or parking. Each feature can have an icon to make its view better.

Name: name of feature, for example Parking.
Slug: this field automatically fill according to feature name and it will be use for accessing the listings of features. Also it is possible that you change the slug manually as you wish.
Description: this field is for explanations of the feature. Please pay attention that your theme should have the ability to show this description if it does not support this text does not show.
Icon: this icon will show next to the feature anywhere which that show. For example parking icon will show with the parking text.

Add listing view:

Front-end view: