BDL programs You can code a reporting application using Genero Business Development Language. Writing the Genero BDL report programA Genero BDL report program retrieves the data and outputs it to a report. Sub reportsYou can include one or more reports inside another report.Create labels: the report program (Genero BDL)A common use of reports is to create a page of labels, such as address labels. Creating labels requires you to create a report design document representing a single label and a report application that prints multiple labels on a page.Report Data WizardThe Report Data Wizard provides an easy-to-use interface for creating the data source.