A Bank reconciliation is a process that explains the difference between the bank balance shown in an organisation's bank statement, as supplied by the bank, and the corresponding amount shown in the organisation's own accounting records at a particular point in time. wikipedia.org

A general ledger contains all the accounts for recording transactions relating to a company's assets, liabilities, owners' equity, revenue, and expenses. wikipedia.org

Reconciliation is the process of ensuring that two sets of records (usually the balances of two accounts) are in agreement. wikipedia.org

QuickBooks is a line of business accounting software developed and marketed by Intuit. wikipedia.org

Financial accountancy (or financial accounting) is the field of accountancy concerned with the preparation of financial statements for decision makers, such as stockholders, suppliers, banks, employees, government agencies, owners, and other stakeholders.

Financial analysis (also referred to as financial statement analysis or accounting analysis) refers to an assessment of the viability, stability and profitability of a business, sub-business or project. wikipedia.org

A financial statement (or financial report) is a formal record of the financial activities of a business, person, or other entity.

Bookkeeping is the recording of financial transactions. Transactions include sales, purchases, income, receipts and payments by an individual or organization. Bookkeeping is usually performed by a bookkeeper. wikipedia.org