Speech styles refer to the different ways people communicate based on context, audience, and purpose. These styles can range from formal to informal, with variations like academic language used in educational settings and casual conversation used among friends. Each style has its own set of rules and vocabulary that help convey the intended message effectively. In addition to formal and informal styles, there are also persuasive and narrative speech styles. Persuasive speech aims to convince the audience of a particular viewpoint, while narrative speech focuses on storytelling. Understanding these styles can enhance communication skills and improve interactions in various situations.