This document provides a summary of English consonants. It discusses the place and manner of articulation for different consonant sounds in English, including plosives, nasals, fricatives, affricates, and approximants. Diagrams are included to illustrate the places of articulation for various consonants like bilabial, alveolar, velar, and glottal sounds. The document also notes rules about aspiration, voicing, and allophonic variation for stops in English.