[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-656082-105":59,"doc-detail-656082-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","online-shopping-system-data-flow-diagram-dfd-levels-0-2","Online Shopping System Data Flow Diagram - DFD Levels 0-2","","Online shopping system data flow diagram (DFD) explanation covering three abstraction levels: Level 0 context view, Level 1 detailed processes, and Level 2 further decomposition when needed. Level 0 defines system boundaries, entities, and the primary data flow between users and the system. Level 1 clarifies data paths and transformations across scenarios such as customer information, order or reservation, delivery scheduling, and transactions/payments, including a data store for user inputs and outputs.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/online-shopping-system-data-flow-diagram-dfd-levels-0-2/656082/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/online-shopping-system-data-flow-diagram-dfd-levels-0-2/656082.png","ImageObject",300,407,{"name":92,"@type":93},"vwvw","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-10-25",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What does DFD Level 0 show for an online shopping system?","Question",{"text":112,"@type":113},"It shows the system boundary, the interacting entities, and the high-level data flow between users and the system through a single-process context view.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Which scenarios are covered in DFD Level 1?",{"text":117,"@type":113},"Customer information management, order or reservation management, delivery scheduling, and transaction & payments management, with clarified data paths and transformations.",{"name":119,"@type":110,"acceptedAnswer":120},"When should a DFD Level 2 diagram be included?",{"text":121,"@type":113},"Only when needed; if Level 0 and Level 1 are already clear and precise, Level 2 is not required.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},656082,1792966153,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":39},3985747874149,"https://ap-avatar.wpscdn.com/avatar/3a001161165b4dc3d9e?x-image-process=image/resize,m_fixed,w_180,h_180&k=1790129441039064114","Online Shopping System Data Flow Diagram  \n(DFD)  \nA thorough explanation is provided for the example data flow diagram for online shopping system. This example emphasizes the three DFD levels (DFD Levels 0, 1, and 2) .  \nDFD Level 0 Online Shopping System  \nThe context diagram is an alternative name for the Level 0 DFD Diagram for Online Shopping System. Users, the main process, and data flow make up its parts. Also, the project concept is demonstrated using the single process visualization.  \nDFD Level 0 shows the entities that interact with a system and defines the border between the system and its environment. This diagram also depicts the online shopping system at a high level.  \nDFD for Online Shopping System Level 0  \nThe illustration presents the main process in a single node to introduce the project context. This context explains how the project works in just one look. The user feeds data into the system and then receives the output from it.  \nIn addition to this, you will perceive through the diagram that there is already the presence of data flow. Though the process is very general, the flow of data is clear. Nevertheless, just modify this diagram to meet the other requirements and include other matters regarding shopping management.  \nLevel 1 DFD for Online Shopping System  \nThe \"detonated view\" of the context diagram is Online Shopping System DFD Level 1. Its function is to deepen the concept derive from the context diagram.  \nSpecifically, level 1 shows the broader details of Online Shopping System DFD Level 0. This is to clarify the paths (flow) of data and its transformation from input to output.  \nDFD for Online Shopping System Level 1  \nThe designed diagram portrays four different scenarios: customer information management, order or reservation management, scheduling of deliveries, and transaction and payments management.  \nFirstly, the flow of data starts from the restaurant admin or owners and customers. Then the system caters to the transaction. This idea was based on online shopping processes or transactions.  \nYou can also see the data store used or the database. The database is also used in storing users' data inputs. Then it serves as the source of outputs.  \nLevel 2 DFD for Online Shopping System  \nLevel 2 DFD for Online Shopping System is also the highest abstraction of the data flow diagram. This level also broadens the idea from the DFD level 1. It includes the sub-processes from level 1 as well as the data that flows.  \nDFD for Online shopping System Level 2  \nHowever, not all of the processes in the project must have sub-processes. Only provide this diagram if needed. As long as your previous diagrams were clear and precise, this level is not required.  \nYou can add more to this and it is up to you how will you create your data flow diagram. Also, consider the data flow included and be precise with your information.","cbCaivfPxj2fcehf","https://ap.wps.com/l/cbCaivfPxj2fcehf","pdf",222083,"English","# DFD Levels Overview\n## DFD Level 0 (Context Diagram)\n## DFD Level 1 (Detailed Scenarios)\n## DFD Level 2 (Optional Decomposition)","[{\"question\":\"What does DFD Level 0 show for an online shopping system?\",\"answer\":\"It shows the system boundary, the interacting entities, and the high-level data flow between users and the system through a single-process context view.\"},{\"question\":\"Which scenarios are covered in DFD Level 1?\",\"answer\":\"Customer information management, order or reservation management, delivery scheduling, and transaction \\u0026 payments management, with clarified data paths and transformations.\"},{\"question\":\"When should a DFD Level 2 diagram be included?\",\"answer\":\"Only when needed; if Level 0 and Level 1 are already clear and precise, Level 2 is not required.\"}]","Online Shopping System Data Flow Diagram - DFD Levels 0-2 | PDF"]