Systems design is the process of defining elements of a system like modules, architecture, components and their interfaces and data for a system based on the specified requirements. It is the process of defining, developing and designing systems which satisfies the specific needs and requirements of a business or organisation
The designs can be defined in graphical or textual modelling languages.
Some of the examples of graphical modelling languages are
a. Unified Modelling Language (UML): To describe software both structurally and behaviourally with graphical notation.
b. Flowchart : A schematic or stepwise representation of an algorithm.
c. Business Process Modelling Notation (BPMN): Used for Process Modelling language.
d. Systems Modelling Language (SysML): Used for systems engineering.