2. Historical evolution: The development of distance education is very long, from ancient letter education to modern network education, it has experienced many stages and forms of changes. Distance education in different historical stages will also have an impact on people's understanding of its origin.
3. Linguistic and cultural differences: Different countries and regions have different linguistic and cultural backgrounds, which will also lead to differences in people's understanding of the origin of distance education. For example, letter education in ancient China was not common in western culture, which led to their different understanding of the origin of distance education.
4. Different modes of information dissemination: In ancient times, the modes of information dissemination were limited, and the development of distance education was also limited. In modern times, with the development of science and technology, the ways and means of distance education are more and more diversified and convenient, which will also affect people's understanding of the origin of distance education. To sum up, the difference in people's understanding of the origin of distance education is the result of the comprehensive action of many factors.