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A lecture (from Latin: lectura ' reading ') is an oral presentation intended to present information or teach people about a particular subject, for example by a university or college teacher. Lectures are used to convey critical information, history, background, theories, and equations.
A presentation program is commonly used to generate the presentation content, some of which also allow presentations to be developed collaboratively, e.g. using the Internet by geographically disparate collaborators. Presentation viewers can be used to combine content from different sources into one presentation.
Multimedia presentations can contain different video clips, sound effects, animation, laser pointers, remote control clickers, and endless bullet points. [42] All adding to the presentation and evolving our traditional views of public speaking. Public speakers may use audience response systems.
A presentation program is supposed to help both the speaker with an easier access to his ideas and the participants with visual information which complements the talk. There are many different types of presentations including professional (work-related), education, entertainment, and for general communication.
Competitors in extemporaneous commentary are given a topic of national, regional or local importance, and prepare a speech on that topic during a preparation period. Judging focuses on the quality of the vocal presentation, the organization of the speech and the use of sources to back up assertions. The speech is usually presented seated.
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13th-century illustration of a Jew and a Christian debating in a work by the Jewish convert Petrus Alphonsi. Debate is a process that involves formal discourse, discussion, and oral addresses on a particular topic or collection of topics, often with a moderator and an audience.
Oral skills are used to enhance the clarity of speech for effective communication. Communication is the transmission of messages and the correct interpretation of information between people. The production speech is insisted by the respiration of air from the lungs that initiates the vibrations in the vocal cords. [ 1 ]