How many sources are used to define a transaction in QuickBooks Online?

In QuickBooks Online, a transaction is defined using a single source. This could be a sales receipt, invoice, bill, expense, or any other type of financial entry. The system requires just one source document to uniquely identify and categorize the transaction, ensuring that it can be recorded and tracked within the accounting framework of the software.

While there may be various methods for managing or analyzing transactions, such as categorization and reporting, the fundamental definition hinges on that singular source. This keeps the transactions straightforward, allowing users to manage their financial data efficiently without conflating multiple sources into a single entry, which could complicate accounting records.