Filter context is well viewed in PivotTables. For example, when you increase TotalCost for the Values location, and after that include Year and Region to the Row or Columns, you might be defining a filter context that selects a subset of data based with a given year and location. https://financefeeds.com/global-fx-market-summary-conflict-between-israel-and-iran-fed-ecb-economic-data-16-june-2025/