Oral presentations can be formal or informal, depending upon theirexplicit and implicit purposes and the delivery situation. An oralpresentation can be almost any report type, such as a Oral presentations differ significantly from written documents in several ways. Effective oral communication is a combination of many skills: outliningand planning, preparing overheads or other display media,rehearsing and Copyright ©2001 The McGraw-Hill Companies. Any use is subject to the Terms of Use and Privacy Policy. McGraw-Hill Higher Education is one of the many fine businesses of Written Documents Oral Presentations Publication permits potentially unlimited audience over time and place. Audience generally limited to time and place of delivery. No direct audience interaction. High level of audience interaction is possible. Refined argumentative structure. Simple presentation of main points. Large volume of detailed information can be communicated. Limited information transfer. Precise syntax and diction. Conversational syntax and diction. Emphasis on text. Emphasis on visuals. Reader controls pace of presentation. Speaker controls pace of presentation. 
## Oral Presentations ##
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