With Virtual Reality people can practice situations and important processes in a virtual room by putting on special digital glasses. They can influence what happens themselves.
An Internal Preview is a statement, which is made in the body of the speech, so that the audience knows what the speaker is going to discuss next.
A panel discussion is a structured conversation in front of an audience on a given topic between several people.
.odp file extension
.odp files are similar to .ppt files. It's a presentation which was created with Impress and contains slides with images, texts, effects and media.