Rosetta of a Coptic toponym, "Trashit". "Rosetta" or "Rosette" was the name used by the French at the time of Napoleon Bonaparte's campaign in Egypt and thus became eponymous of the Rosetta Stone (), which was found by French soldiers at the nearby Fort Julien in 1799. The site of Rosetta was inhabited throughout the history of Ancient Egypt, then known as "", a hieratic word meaning "the populace", under Menes reign. In the Ptolemaic era, the town was renamed to "Bolbitine" ("Bolbitinum, Bolbitinon", the name of one of the seven mouths of the Nile in Herodotus). In Christian Egypt, the
Rosetta Stone (software) reused from lesson to lesson to invoke long-term retention. In version 3 pack, there are four units per language level. Each unit has four core lessons that are about 30 minutes long. The student then moves on to one of the following lesson modes: Pronunciation, Writing, Vocabulary, Grammar, Listening, Reading, Speaking. The Milestone is an exercise at the end of each unit in which students apply what they learned in the unit. In Rosetta Stone version 2 Language Packs, most lessons have two levels; a few have three. The first eight units have 84 lessons, plus eight reviews. The lessons