One of the things researchers have to occasionally develop is a taxonomy. Essentially, a taxonomy is a process that helps classify concepts in a logical manner.

There are many different tools and methods to help draw a taxonomy. But, if you are working with Latex, you can easily do so through the “forest” package. I am showing here a simple example of how you can draw one to represent household appliances and kitchen aids in a smart home:

The result of running the above code is the graphic presented hereunder:

Hope you will find this useful!