48 Understanding the Numbers from those that have been or are being discontinued. Only the discontinuance of operations that constitute a separate and complete segment of the business have normally been reported in this special section. The current segmentreporting standard, SFAS 131, Disclosures about Segments of an Enterprise and Related Information, identifies the following as characteristics of a segment: 1. It engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise). 2. Its operating results are regularly reviewed by the enterprise’s chief operating decision.