What are writing subject, writing object and writing receptor?

Writing subject: refers to the essentials established in practice, and its core lies in initiative, that is, writers can create according to their own will and ability. The deeper the understanding of the writing subject, the richer the knowledge, so as to have a comprehensive understanding and grasp of the writing subject.

Writing object: that is, all cognitive objects corresponding to the writing subject and known by the writing subject. It includes all the material world, spiritual world, external world and subjective world that the writing subject knows, describes and evaluates. From mountains and rivers to social life, from the appearance of things to the internal structure, from other people's words to their own hearts, can be used as the object of writing.

Writing receptor: that is, the object of writing activities, that is, readers.