The first stage of the product development life cycle (PDLC) is typically the concept or ideation stage, where ideas are generated and evaluated for feasibility and viability before proceeding to the next stages of development.
See the graph in the related link. It clearly separates out the differences between PDLC and SDLC.
testing and documentation
Testing and Documentation, also known as step 5, The finishing Project
Rome's Spanish Steps have 138 steps.
138 steps in the spanish steps.
1500 steps
There are 199 steps up to Whitby Abbey.
To be successful, there are many steps you may need to take. The most important steps are to persevere and be determined.
There are about 100 steps
six steps
9 steps