A 'happy number' is defined by the following process.

With laser printing, the numbers now seem larger and more defined.

But this number was just defined by 65 letters including spaces.

The total number of Dutch can be defined in roughly two ways.

Any number of event types, attributes, and flags can be defined.

In the text, however, neither the number or location of such areas are defined.

Likewise all the other whole numbers are defined by their places in a structure, the number line.

Any number of indexes may be defined for a table.

A number of important active sites are still poorly defined.

The type and number of aircraft is currently not defined.