Simple categories matching thematic:

• information,
• data,
• area,
• layer,
• document,
• line,
• coalition,
• zone,
• interest,
• work,
• notion,
• domain,
• point,
• issue,
• section,
• subject,
• activity,
• unit,

Members with property thematic:

• drainage_network,
• glacial_stria,
• land,
• teacher_training,
• environment,
• elevation_map,
• fundamentalism,
• embedded_system,
• vegetation_type,
• wto_law,
• sustainable_energy,
• shelter,
• economics,
• journalism_ethics,
• science,
• tradition,
• sustainable_development,
• postmodern_reality,
• road_network,
• drainage_map,
• transportation,
• patient_safety,
• landscape,
• invasive_species,
• trust,
• obsession,
• small_ghost,
• fashion_issue,
• export_control,
• water_quality,
• work,
• source,
• law,
• obstacle,
• civic_works,
• wall,
• child,
• taxonomy,
• picture,
• geology,
• elevation,
• beauty,
• urban_development,
• relationship_issue,
• memory,
• tax_parcel,
• organic_food,
• character,
• idea,
• airport,
• tectonics,
• operational_space,
• curriculum_development,
• public-transport_network,
• housing,
• outcrop_structure,
• education,
• religion,
• magic,
• fire,
• design,
• war_environment,
• blues_site,
• place,
• policy,
• parcel,
• spatial_generator,
• mysticism,
• unit_contact,
• space,
• terrain_analysis,
• flood,
• refugee_child,
• highway,
• regulation,
• railway,
• mine_action,
• environmental_law,
• environmental_concern,
• literature,
• soil_map,
• air_quality,
• cadastral_parcel,
• weeds,
• community,
• child_right,
• chemistry,
• space_village,
• capacity_building,
• right,
• medium,
• waterborne_safety,
• topic,
• land_price,
• open_space,
• land_cover,
• vulnerable_child,
• history,
• land_use,
• politics,
• plant_conservation,
• support,
• fence,
• drain,
• household_chemistry,
• music,
• love,
• faith,
• libretto,
• population,
• base_map,
• dance,
• business_support,
• building,
• legislation_development,
• street,
• quarry,
• caribbean_literature,
• roads,