Educator: the protagonist
Educators play a vital leading role in educational activities. They are organizers and implementers of educational activities, which play a decisive role in the quality and effect of educational activities.
Educated: learners
Educated people are the core of educational activities, learners and educated people. They are the beneficiaries and evaluators of educational activities.
Educational media: transmitting educational influence
Educational media is the disseminator and carrier of educational activities and the transmitter of educational influence. They include teaching materials, teaching AIDS, multimedia and so on, and are an indispensable part of educational activities.