{"L1_core": {"domain": "documentation", "category": "technical_drawing", "entity_type": "process"}, "L2_process": {"types": {"detail": {"description": "Enlarged specific area"}, "elevation": {"description": "Vertical section view"}, "floor_plan": {"description": "Horizontal layout view"}}, "standards": ["ISO 7200", "ISO 128", "EN ISO 6433"], "parameters": {"scale": ["1:20", "1:50", "1:100"], "format": ["A3", "A2", "A1", "A0"]}}, "L5_metadata": {"updated": "2026-01-04", "version": "2.0"}, "L3_relations": {"applies_to": ["building_systems", "industrial_equipment", "machinery"], "related_processes": ["installation_diagram", "installation", "commissioning"]}}