This document discusses various terms related to communication and texts from the Middle Ages, including glossing, scriptura continua, punctus, word spacing, ligatures, abbreviations, nomina sacra, and punctuation. It provides definitions and examples for each term. For glossing, it explains that it involves commentary or interpretation within or around the margins of manuscripts. For scriptura continua, it refers to continuous script without punctuation. It also gives examples and discusses forms of punctus like punctus flexus and punctus elevatus. The document examines features like ligatures, abbreviations used in manuscripts as well as nomina sacra, which are abbreviated sacred names. Finally, it discusses the role of punctuation in medieval texts