Non-linguistic simplification
context
In face-to-face conversation the immediate physical context provides information about who, what , where , and so on. In other circumstances, such as listening to the radio, we are deprived of this sort of help. So radio texts often include more explicit references to context than would be found in, say, their television equivalents ; in this way they compensate for the absence of visual information. example 2.4 is part of a transcript of an interview with a dentist (D) for a radio programme, on the topic of new materials that might raplace the conversational amalgam used in dental filling. I have underlined the parts of the interview where the reporter (R) provides the audience with additional information about context .
Example 2.4
D. the other difficultry with them is that in order to get the correct occlusal or surface contour we have to once they're set grind them.