SDLC

Water fall:

Requirements gathering :Gather as much information as possible about the details & specifications of the desired software from the client

Design Stage:Plan the programming language like java , php , .net ; database like oracle , mysql etc which would be suited for the project
Built Stage: actual code
 TEST stage:Test the software to verify that it is built as per the specifications given by the client. 
Maintenance stage.:you may to do some code changes to accommodate enhancements requested by the client.
STLC:

TEst planning stage: 

• Preparation of test plan/strategy document for various types of testing
• Test tool selection 
• Test effort estimation 
• Resource planning and determining roles and responsibilities.
• Training requirement

Envi setup: 

• Setup test Environment and test data 
• Perform smoke test on the build

Test closure:

• Evaluate cycle completion criteria based on Time,Test coverage,Cost, Quality
• Prepare test metrics ,Test closure report 
• Document the learning out of the project