SDLC - Software Development Life Cycle is a software development process. It is a framework which EXPLAINS the TASKS performed at each step of the software development process. It gives a detailed plan for the development, maintenance and replacement of specific software.

DDLC - Document Development Life Cycle is a documentation process which goes through the software development process. DDLC is a process that helps to maintain, design, develop, edit and publish a document for the PRODUCT development LIFECYCLE.

SDLC - Software Development Life Cycle is a software development process. It is a framework which explains the tasks performed at each step of the software development process. It gives a detailed plan for the development, maintenance and replacement of specific software.

DDLC - Document Development Life Cycle is a documentation process which goes through the software development process. DDLC is a process that helps to maintain, design, develop, edit and publish a document for the product development lifecycle.