Filter context is well viewed in PivotTables. By way of example, when you add TotalCost to your Values spot, and afterwards include Year and Area into the Row or Columns, you are defining a filter context that selects a subset of data based on a given year and location. https://financefeeds.com/xtransfer-and-bnp-paribas-sign-mou-to-streamline-cross-border-trade-payments-for-smes/