The nature of the relationships is defined by a set of keywords followed by the name of the related module.

For each related module of each module version, the following details are transferred:

A related module is Terms in the news, a list of current and popular terms that are being featured in popular global news stories.

Though related, most modules were stand-alone and could be played without playing any of the other related modules.

The statistical program (or a related module) will map the results.

Some method of review that reinforces or tests understanding of the content in the related module or section.

Mapping the results and defining the dimensions - The statistical program (or a related module) will map the results.

The "S," standing for "Special," in the series' name is the first part of the alphanumeric code used to indicate related modules.

Each functional area groups a set of related modules.

A finitely related module is flat if and only if it is projective.