The document summarizes 5 non-Roman writing systems: Japanese, Arabic, Sanskrit, Hebrew, and Thai. It provides brief overviews of the origins and histories of the scripts. For each one, it describes the common letter components and shapes. Japanese uses kanji, hiragana, and katakana. Arabic is written right to left and commonly has curved and diagonal lines. Sanskrit and Devanagari script have horizontal lines atop curved letters. Hebrew letters are often square with thick lines on the bottom and thinner on the sides. Thai incorporates small circles and has no word spacing.