The definition of charge is a formal accusation made against someone, often in criminal court. An example of charge is the legal proceeding when someone is formally accused of murder. Charge is defined as the price that you have to pay to buy goods or service
A pledge is a bailment that conveys possessory title to property owned by a debtor (the pledgor) to a creditor (the pledgee) to secure repayment for some debt or obligation and to the mutual benefit of both parties. The term is also used to denote the property which constitutes the security.