What is social security?
It is a federal program (your money) that is for retirement, disability and survivor benefits. This apply to wage earners and their spouses, former spouses, widows, widowers and children. Eligibility is based on your work history.
Myths about social security
There are many myths that have been published about Social Security funding etc. This article might answer some of them. Here is the article in PDF-format in case it is no longer available: Top 10 myths about Social Security.