# Financial Event Web

The typed lineage graph over one ledger together with the reconciliation assertion edges laid over it: billing records, terminal batches, channel statements and bank lines are nodes, and every node must tally against the postings it claims to explain.

- Source: [Ledgerbook glossary](/glossary/)
- Related: [Hash chain](/glossary/hash-chain/), [Provenance event](/glossary/provenance-event/), [Ledger of record](/glossary/ledger-of-record/)