Looking at data in several dimensions; for example, sales by region, sales by sales rep, sales by product category, sales by month, etc. Such capability is provided in numerous decision support applications under various function names. For example, in a spreadsheet or database, a pivot table provides these views and enables quick switching between them. See OLAP
The ability to quickly switch between one slice of data and another allows users to analyze their information in small palatable chunks instead of a giant report that is confusing.