Textbook: contains a lot of educational information, thus creating various information resources with certain educational value. Informationization teaching materials refer to digital teaching materials, including all kinds of digital materials, teaching software and auxiliary materials that students and teachers need in the process of learning and teaching.
Support system: Support system mainly refers to the internal and external conditions that support learners to learn effectively, including the support of learning energy, equipment, information and personnel. As the content object of resources and the way to communicate with learners, support system realizes the function of media, which is related to the composition of resources and is a structural perspective for us to understand the concept of learning resources.
Teaching environment: Teaching environment not only refers to the place where the teaching process takes place, but also refers to the atmosphere formed during the communication between learners, teaching materials and support systems. Its main feature lies in the way of interaction and the resulting communication effect. Teaching environment is a specific situation in which learners use resources to study. It embodies various interactions among the elements of resources and is a relational perspective for us to understand the concept of learning resources.