How to express a program clearly: modular design

How to articulate a program: Modular design
主程序: 模块与模块之间的关系
子程序: 模块
use 函数or 对象, divided by the wrapper 模块and 模块之间的表达
for the algorithm to be implemented
is set 功能模块and 功能模块中建立之间的关系
the module term
below is only recommended usage may be true to
within a module 紧耦合,
between the modules 松耦合
紧耦合: two There is a lot of communication between parts and cannot exist independently
松耦合: there is little communication between two parts and can exist independently