The document discusses how speakers convey meanings and personal images through their use of language and behavior. It focuses on the characters in the film My Fair Lady, particularly Eliza Doolittle. Eliza learns to modify her pronunciation, vocabulary, grammar, and body language to project different personas on different occasions, from a poor Cockney flower girl to a lady of high social class. However, she struggles at times to fully leave behind her original ways of speaking and acting. The document emphasizes that one's choice of words, pronunciation, topics of discussion, and nonverbal behavior all contribute to the impression formed of a person.