The document discusses tips and tricks for lead management in OpenERP. It defines a lead as someone interested in purchasing a product or service, and lead management as generating new business opportunities. The document outlines how leads flow from initial identification through marketing campaigns into the OpenERP CRM system. It also discusses setting up filters to classify leads as interesting with comments, uninteresting to delete, or non-business queries needing a different response. Performant lead processing and custom filters help classify and route the large numbers of leads companies receive.