I am creating an online booking systen fir hair salon.

Management

Includes a timetable or Gantt charts, to give avisual presentation of the relative timing of the separate tasks.

List technological requirements, such as network$($n$-$tier architecture diagram$),$ hardware, and software

System specification $($complete what is applicable$)$

List of functional requirements based on analysis.

List of non$-$functional requirements based on analysis.

Data flow diagram $($DFD$)$

Conceptual data model

ER model