The traditional methodology used to develop, maintain, and replace information systems.

The first phase of the SDLC$,$ in which an organization's total information system needs are identified, analyzed, prioritized, and arranged.

The part of the design phase of the SDLC in which all functional features of the system chosen for development are described independently of any computer platform.

Systems development methodologies and techniques Object$-$oriented analysis: $$ based on objects rather than data or processes.

The second phase of the SDLC$,$ in which system requirements are studied and structured.