Is High-level design Or Global Design the same? If yes, what does it mean?
High-Level Design or Global Design is the same. It speaks to the general System Design plan in terms of Functional Architecture and Database plan.
The high-level plan essentially gives a view of the framework at a theoretical level. It appears how the major pieces of the wrapped-up application will fit together and connected. It ought to too indicate presumptions approximately the environment in which the wrapped up application will run. For example, it should describe the equipment and program you will utilize to create the application and the equipment that will, in the long run, the program.
The high-level plan does not center on the points of interest in how the pieces of the application will work. Those subtle elements can be worked out afterward amid low-level plan and execution.
Below is the sample High-level design for a Game,