I help my customers succeed by giving them the best tools and resources in the area of training and e-learning, billing and subscription management and leaves of absence tracking. The best way to answer this question is to give you these three How-it-Works links:
eLeaP LMS: http://www.eleapsoftware.com/how-it-works/
Azimio Billing: http://azimiosystems.com/how-it-works
CaptureLeave: https://www.captureleave.com/how-it-works
PRMDeals: https://prmdeals.com/how-prmdeals-works