This unit from an Arabic language learning book introduces students to asking "What is this?" in Arabic. It includes a dialogue where Adam meets John and they get to know each other. The unit covers vocabulary like useful greetings and things around us. Grammar notes explain demonstratives like "this" and "that" in Arabic, as well as useful adjectives. Exercises practice forming questions and answering them. The unit aims to build students' skills in basic communication and introductions in Arabic.