Hi Michael,
My apologies about the confusion around the term. Onboarding is simply the process by which a new employee starts a company or a new position. It is often thought to run around 90 days, as this is seen to the term of assimilation into a company’s culture and practices. Here’s a quick read that gives you a good sense of onboarding: http://employer.careerbuilder.com/jobposter/small-business/article.aspx?articleid=atl_0192onboardingtips_s