1. The development process refers to the development of history, what happened in the middle of the development process, the reasons for these things and what role they played in the development of history. Development is a process of progress and change from the birth of things, and it is the continuous updating of things. It refers to a continuous process of change. There are both quantitative and qualitative changes.
2. Connotation of development:
Development includes both physical and psychological changes.
The course of development includes an individual's life. Regardless of age, there is development.
Development involves many fields. For example, the body, brain, thinking, imagination and emotion of an individual are all within the scope of development.
Development not only refers to the process of advancing forward, but also refers to the change of recession and extinction.