What is the different between Test of Control (TOC) & Test of Details (TOD)?

Tests of Controls are type of audit tests that auditor's understanding of internal control is used to assess control risk for each transaction-related audit objective, for example, tests of controls including procedures to obtain understanding of internal control of Sales cycles. However, Test of Details of Balanses focus on the ending general ledger for both balance sheet and income statements accounts, for example, TOD focus of specifics accounts such as accounts receivable (e.g. Customers conformation).