We can say that presentation is based on key terms which are mentioned in the presentation.

1.       The presentation which is prepared by teacher should base on desired data. Data should contain on date which is related to discuss topic and there is essential to write done only important things on presentation. The date should be in sequence and should be well organized to better understanding. If data is well organized will help the students in better understanding in different phases. We can say that presentation is based on key terms which are mentioned in the presentation.