If you’re in the process of working with hierarchical terms, then there’s a chance that you’re eventually going to need to know if a given term is the parent to another term.
For example, let’s say that in one of your templates, you’re responsible for displaying a list of all of the terms that do not have children for one reason or another (or maybe you’re responsible for display only terms with one children or another).
Whatever the case, this is a relatively straightforward operation to do assuming that you have the term’s taxonomy readily available.

