Gretch-a-sketch (old)

discursive \dis-KUR-siv\, adjective: 1. Passing from one topic to another; ranging over a wide field; digressive; rambling. 2. Utilizing, marked by, or based on analytical reasoning -- contrasted with intuitive.

At the supper table that night, Cordelia noted the discursive conversation. It seemed as though her parents were eager to dismiss the events of that afternoon. Typical, she scoffed, as they usually glossed over anything improper and interesting.