The name of the software product or component to which this topic applies The version of the software product or component to which this topic applies The section title of the reference page (e.g., User Commands) The section title of the reference page (believed synonymous with "manual" but in wide use) The name of the software product or component to which this topic applies (e.g., SunOS x.y; believed synonymous with "source" but in wide use) Indicates that the information is some 'other' kind. Indicates that the information is some 'other' kind.