06. Tips & Tricks - Child Theme
A Wordpress child theme is a theme that inherits the functionality of the parent theme. Child theme allows you to modify, or add to the functionality of that parent theme. A child theme is the safest and easist way to modify an existing theme, whether you want to make a few changes or extensive changes. Instead of modifying the theme files directly, you can create a child theme and override within.
This theme already comes with a child theme "az_alice-child".
You can read more about child themes here