The APIs of the EasyTech ToolUI are implemented in three stages:
In the case of functions that belong to 'Data', things that adjust the part that is revealed at the beginning, such as storing and expressing data, are included.
In the case of functions that belong to 'Functor', the functions that step back and adjust each small object that is slightly more abstract than the functions that belong to 'Data’.
The functions that belong to 'Manager' are the most abstract functions, the functions that control the largest and most abstract objects.