Designing BDS Market Strategies. Define target SEsAll the SEs in a sub-sectorSEs in an industry clusterSub-categories within a geographical area (e.g. women-owned SEs, HIV/AIDS affected SEs)SEs that use a particular service. Designing BDS Market Strategies. Analyze constraints and opportunitiesToolsSub-sector analysisIndustry mappingPRA techniquesSWOT analysisHelps to divide opportunities/constraints into categories..