When working with XML data, you need to parse the data to get to the least common denominator-the desired data (or atomic node value, as it is often called).

Knoppix can also be viewed as a "least common denominator" : its purpose is to get the computer running with as little delay or human assistance as possible.

CLS compliance is a new twist on that least common denominator approach to interoperability. The CLS specification is a subset of operations that every language must support.