SDLC stands forOptionsSoftware Development Life CycleSystem Development Life cycleSoftware Design Life CycleSystem Design Life Cycle

Break Down the Problem

1. Identify what SDLC stands for.
2. Evaluate the options provided to find the correct one.

Relevant Concepts

1. Software Development Life Cycle is a standard term in software engineering.
2. System Development Life Cycle can also be relevant but is less commonly abbreviated as SDLC.
3. Software Design Life Cycle and System Design Life Cycle are not standard acronym expansions.

Analysis and Detail

1. Assess each option given:
   1. Software Development Life Cycle: This is the most widely recognized meaning of SDLC.
   2. System Development Life Cycle: This is a close second but less common.
   3. Software Design Life Cycle: Not an established term within the context.
   4. System Design Life Cycle: Similarly, this is not standard.

Verify and Summarize

The most widely accepted definition of SDLC is the Software Development Life Cycle, which outlines the various stages of software development.

Final Answer

SDLC stands for Software Development Life Cycle.