This document discusses suprasegmental features of language including stress, tone, and intonation. It defines stress as the relative emphasis given to syllables within a word. It notes that stress patterns can vary across monosyllabic, bisyllabic, and multisyllabic words. The document also discusses tones in Thai and English and how tones are used differently. Finally, it provides examples of how intonation is used to convey meaning through question types, imperatives, and sentence stress on content words versus function words.