|M||Monumental (on tombs and monuments)||Lapidary/formal; some ligatures; some calligraphic traits||Mada'in Salih tombs, Turkmaniyyah Tomb in Petra|
|FCa||Formal cursive type a||Soft material; formal/legal; some calligraphic traits||Yadin 36+ XHev/Se Nab. 1, Yadin 1,2 (lower), 3(lower)|
|FCb||Formal cursive type a||Soft material; formal/legal; fiine chancery style||Yadin 2 (upper), 3 (upper)|
|I||Informal cursive||Soft and hard materials, including dipinti; legal, religious and graffiti; irregular; crude in execution||Yadin 6,9, XHev/Se Nab 5, Ramm dipinti|
While this may be confusing to some folk, it essential tells us that the Nabataeans used different scripts for different purposes. Some scripts were used only for inscribing on monuments, others for legal purposes, and others for religious, or graffiti.