It is important to add the torque to drill dense objects, but at some point, you need to reach the limit of what is safe to operate.
Owing to that, 4 to 15Nm is fine for all of those smaller tasks driving screws around the home.
And, 15 to 35Nm is an awesome all-rounder to drill and drive medium-sized screws (Newton Metres (Nm) on drills).