slice and dice is to arrange the the data in differnt ways.
it can chage as rows to columns  and columns to rows.

The ability to move between different combinations of 
dimensions when viewing data with an OLAP browser.

Multidimensional analysis tools organize the data in two 
primary ways: in multiple dimensions and in hierarchies.

Slicing and dicing refers to the ability to combine and re-
combine the dimensions to see different slices of the 
information. Picture slicing a three-dimensional cube of 
information, in order to see what values are contained in 
the middle layer. Slicing and dicing a cube allows an end-
user to do the same thing with multiple dimensions.