Some bookkeeping terms exist because QuickBooks Online exists. They are not textbook vocabulary, but they show up in real client cleanup work every week. If a bookkeeper does not understand them, the file can look fine on the surface while cash, revenue, and clearing accounts drift.
Start with Undeposited Funds. It is a holding account for payments received before they are batched into a bank deposit. A clean book has near-zero Undeposited Funds at month-end. Then check Uncategorized Expense, the account QBO uses when it does not know where a transaction belongs. That balance should also be near zero after review.
This sub-hub groups QBO-native terms: bank rules, class and location tracking, journal-entry types, Undeposited Funds, Uncategorized Expense, and matching traps. Growthy works with QuickBooks in workflow mode, so the goal is not to bash QBO. The goal is to make the review queue clearer and the sync back to QuickBooks cleaner.