System processing and flow of data through a system, including: Data flow diagrams (DFD), level 0 (context-level), level 1 and level 2 diagrams, construct a system flowchart and a data flow diagram (DFD) using correct symbols (see symbols at the end of the ‘Subject content’ section)

The definition of a system, i.e. a collection of components to form a whole system, including: a hardware system, a software system, a combination of hardware and software