Nice Linda but how about a little heart with the cold truth of definitions.
SDLC - the stages through which any piece of software most flow on its way to Nirvana. The life of the idea of the software, from the day that a user decides it should exist through the day a developer slaps it on the I/O and sends it out to play in production to the day it is retired. The QALC runs parallel with this process like the visits you make to the doctor, getting checked for signs of illness, getting prescriptions for known maladies and euthanasia at the end so that you can die without taking the corporate savings with you.
I've been taking a creative writing class along with my QAA stuff