Daybooks are a tool used to keep a record of daily transactions, payments, and expenses. These ledgers are commonly used in accounting and financial management to keep track of cash flow and finances. Other synonyms for daybooks include journals, ledgers, account books, and books of original entry. These tools are used to keep accurate records of business transactions, ensuring that all financial information is accounted for. Daybooks may also be referred to as cash books, check registers, or balance sheets. Regardless of the name, the purpose remains the same - to track finances and ensure that all transactions are recorded accurately and efficiently.