This document provides an overview of the topics that will be covered in Week Two of LIT 303, which focuses on phonology, the study of sounds. It begins with reviewing key concepts from Chapter One such as linguistic systems, signs, and the vocal nature of language. Chapter Two will cover sounds, including the 44 sounds and over 200,000 words in English. Additional details are provided on consonants and their place and manner of articulation. Vowels are also introduced based on tongue position. Context is given on language statistics worldwide.