Development history

1. The development process refers to the development process of history, what happened in the middle of the development process, the reasons for these events, and what role they played in the development of history. Development is a progressive and changing process of things from birth, and it is the continuous updating of things. It refers to a continuous process of change. There are both quantitative and qualitative changes.
2. The connotation of development:
Development includes both physical and psychological changes in an individual.
The process of development includes an individual's entire life. Regardless of age, there is development.
Development involves multiple fields. Individuals' bodies, brains, thinking, imagination, emotions, etc. are all within the scope of development.
Development not only refers to the process of advancement, but also to the changes of decline and extinction.