A bill is an amount you owe to a supplier. An expense is the cost category the business has incurred. One describes the payable workflow. The other describes the accounting meaning.
Why people confuse them
Both often arrive from the same supplier document, so it is easy to talk about them as if they were interchangeable. They are connected, but the business decisions around them are different.
What you need to manage
- Which supplier bills are still unpaid
- Which cost categories are increasing
- Which purchase records include VAT evidence
- Which upcoming payments could affect cash flow
Why this matters for control
If you only think in terms of spend, you lose sight of timing and obligations. If you only think in terms of bills, you lose the reporting view. DII Accounts keeps both operational and reporting context in the same workflow.
Use the distinction to reduce noise
Clear bill and expense handling makes supplier management and reporting calmer. Create a workspace when you are ready to stop reshaping the same data twice.