Submissions:RecurrentSituationSeries CoversRequirement

What are the situations of a recurrent situation series? +
What are the unifying criteria shared by all the situations in a recurrent situation series? +
When is a unifying situation valid? +
When is the next situation of a recurrent situation series scheduled? +
Which are the unifying situations shared by a (subset of) the situations member of a recurrent situation series? +
Which is the (immediate) next situation in a recurrent situation series? +
Which is the (immediate) previous situation in a recurrent situation series? +
Which is the time period elapsing between two situations of a recurrent situation series? +