Book-keeping
.The system of keeping the debtor and creditor accounts of merchants in books provided for the purpose, either by single or by double entry.
Waste-book. A book in which items are not posted under heads, but are left at random, as each transaction occurred.
Day-book. A book in which are set down the debits and credits which occur day by day. These are ultimately sorted into the ledger.
Ledger (Dutch, leggen, to lay). The book which is laid up in counting-houses. In the ledger the different items are regularly sorted according to the system in use. (Ledger-lines.)