A child theme inherits the function of a main or parent theme. These are used to modify existing themes while still maintaining the design and code.
These themes enhance the parent theme characteristics and enable the creation of new designs. Now we can extend existing capabilities of any theme.
If interested further this is the rationale.https://woocommerce.com/2015/0...
Here is the WP method (it's a plugin) to handily create a much needed child theme if this is your objective.
Also this source can back up a relevant search https://www.frip.in/
Let's use this needed functionality to rock our content in the new year and excel!