Over time the function and complexity of Knack apps can increase to the point where it becomes hard to know what objects or fields are connected to what forms or rules, etc.
It would be very helpful to know what dependencies a particular object has.
Have a look at this post Peter: https://support.knack.com/hc/en-us/community/posts/115002435831-Find-where-fields-and-objects-are-used-in-your-application