Pace of speech, Tonal variation, Clarity of pronunciation, Voice projection, Body language, Gesture & posture, Facial expression & eye contact, Appropriate vocabulary choice, Language, Register, Grammar, Rhetorical techniques such as metaphor/ humour/ irony & mimicry, Choice of content to convey meaning & intention, Building on the views of others, Structure & organisation of talk, Seeking information & clarification through questioning, Summarising, Giving reasons to support views, Critically examining ideas & views expressed, Maintaining focus on task, Time management, Guiding or managing interactions, Turn-taking, Listening actively & responding appropriately, Self assurance, Liveliness & flair, Taking account of level of understanding of the audience | Chalk