If legally separated what does that mean? Married? Single? What has if reconciliation is in process

It basically means that from the date of separation, the debts that each of your incur are your separate property debts and the income you earn is your separate property income. Also you are free to date. Your are still married until the court renders a final divorce decree.

Some couples choose to be legally separated rather than divorced. For example, sometimes couples don't want to be divorced for religious reasons so they file for legal separation.