There are many different symbols and numbers that represent multiple gangs or groups.

"You haven't told me why we must use different symbols for numbers."

Some decades ago a different symbol was used to indicate the stop sign.

Each of the three sections deals with a different symbol.

There are different symbols that can be used to make numbers.

Each type of switch has a different symbol and so do the various outlets.

Each position/object/item packet can use any of several hundred different symbols.

There are two different symbols (0 and 1) used in the base two number system.

Aside from the different symbols used, other differences exist between the two systems.

This is because base-10 has ten different symbols with which to represent numbers.