The final destination of all entries made in the journal is the ledger as they are all subsequently transferred to it. The ledger is the most important book under the double-entry system. Ledger is a permanent book of record, which contains all accounts relating to the financial transactions of a business. Therefore, it is also called the book of accounts. An account contained in the ledger book is called ledger account. A ledger account is a statement shaped liked an English alphabet 'T' that systematically contains all financial transactions relating to either a particular person or thing for a certain period of time. Ledger account provides financial information such as how much a particular person owes to or from the business, what is the value of particular asset the business possesses at a point in time, or what is the amount of particular head of expense or income business has incurred or earned during a particular period. , The ledger book, therefore, contains the details of all classified information of financial transactions of the business. It is also called the principal or main book of accounts. It collects records and provides the financial information of the business in a classified manner so as to ascertain the profit and loss and financial position of the business at a certain point of time.