They are not one bit foreign to scholars used to processing words. The third is perhaps a technical stretch for people not used to spreadsheets. A good commentary allows one to depict the textual object under discussion. A good depiction allows one so zoom in and out of different views. A better depiction allows for differenct views to be compared and even intersect.
Scalable navigation is the key to such dynamic modeling.
In the end any such commentary makes me want to reread the text which has generated the worlds which been the object of such attentive affection.