Reza Rad is leading this interrogation:
There are many DAX functions for covering day-to-day business-related calculations using measures and calculated columns. However, there is also a set of functions that can be helpful to the BI team and developers in gaining insights from the Power BI model itself. The insights can include things such as the number of both-directional relationships, the dependency of the calculations, the list of columns in tables, etc. These functions are in the category of INFO functions in DAX. Let’s see what they are and how they work.
Click through for a list, as well as how you can make use of them.