All terms
An ERP is the central nervous system of a business. Sales, purchasing, inventory, finance, payroll and reporting all read and write to the same database.
The value is not the features — it is the absence of reconciliation. When there is one record of a sale, nobody spends Friday afternoon making two reports agree.
Modern ERPs do not need to be enormous. A focused system covering your three or four core processes usually beats a giant platform nobody fully adopts.
In practice
When a sale is recorded, stock drops, the invoice is raised, the customer balance updates and the dashboard changes — from one action.
