This document discusses speech and oral communication. It provides a diagram labeling the speech-producing mechanism and its parts. It then covers phonetics and phonetic transcription. It discusses the smallest units of speech (phonemes, syllables, words), types of sounds (vowels, consonants, diphthongs), and how consonants can be classified based on manner of articulation (plosive, fricative, nasal, etc.). It also addresses oral communication, public speaking, literature in the Philippines during different time periods, and literary forms.