A macro is an abbreviation for a set of commands, so instead of typing a
complicated sequence of commands you can simply type the macro's name. You
can either think of macros as a new commands in their own right or as
subroutines.
Virtually anything that can be done by hand in Excel, can be written into a
"Macro" so one can only invoke the macro when they want that particular list
of commands instead of having to type each one each time.
Vaya con Dios,
Chuck, CABGx3