Diagram examples
Every diagram here was generated from a plain-language description. Open any one to see its structure live.
Sequence diagram of an online shopping flow where a customer uses a web storefront to place an order, triggering inventory checks, payment processing, and order confirmation by email.
Sequence diagram of an ATM cash withdrawal, showing how the customer, ATM, bank server, account database, and cash dispenser interact to authenticate the user, verify funds, and dispense cash.
Class diagram of a banking system showing core entities such as bank, customer, account, transaction, loan, card, and employee. It includes account specializations for savings and current accounts, plus a loan officer role.
Class diagram for an online shopping system showing users, customers, and administrators alongside products, categories, carts, orders, payments, shipments, and reviews. It also models cart and order line items plus credit card and PayPal payment types.
Class diagram of an ATM system showing the ATM’s relationships with hardware components, customer cards, bank accounts, and transaction types such as withdrawal, deposit, balance inquiry, and transfer.
Class diagram of a hospital management system showing people and roles (patient, staff, doctor, nurse), clinical records and prescriptions, appointments, wards and beds, and billing. It outlines the main entities used to manage care and hospital operations.
Entity-relationship diagram of a banking system showing customers, branches, accounts, transactions, loans, cards, employees, and the AccountHolder join table for shared account ownership.
Entity-relationship diagram for a school management system showing students, teachers, classes, subjects, exams, attendance, fees, and exam results, with a join table linking teachers to subjects.
ER diagram of an inventory management system showing suppliers, products, warehouses, stock levels, purchase orders and line items, and stock movements. It maps how inventory is ordered, stored, and tracked across locations.
Entity-relationship diagram for an online shopping system showing customers, addresses, products, categories, carts, orders, payments, reviews, and line items, with relationships between shopping, checkout, and order records.
Entity-relationship diagram for a library management system, showing members, books, authors, categories, loans, reservations, and librarians. It includes a junction table for the many-to-many relationship between books and authors.
Flowchart of a for loop: initialize i = 0, test whether i < n, run the loop body, increment i, and repeat until the condition fails, then continue after the loop to end.
Flowchart showing how dinosaurs split into Saurischia and Ornithischia, then into major groups like Theropoda, Sauropodomorpha, Thyreophora, Ornithopoda, and Marginocephalia, with sub-branches such as Ceratopsia and Ankylosauria.
CI/CD Pipeline Flowchart — flowchart with 20 nodes and 23 connections.
CI/CD Pipeline Flowchart — flowchart with 20 nodes and 22 connections.
CI/CD Pipeline — flowchart with 16 nodes and 17 connections.
Employee onboarding — bpmn diagram with 11 nodes and 11 connections.
State diagram of a traffic light sequence from Start to End, showing transitions through Red, Red+Amber, Green, and Amber in the typical cycle.
Class diagram for a library management system showing how the library, catalog, books and copies relate to members, librarians, loans, holds, fines, and payments, with status enums and notification services.
OAuth 2.0 Authorization Code Flow — sequence diagram with 4 nodes and 9 connections.
Hospital Management System ER Diagram — flowchart with 24 nodes and 28 connections.
Order Management ER Diagram — flowchart with 12 nodes and 13 connections.
E-commerce Checkout Process — flowchart with 20 nodes and 25 connections.
Flowchart of a user login and authentication process: open login page, validate inputs, apply rate limiting, look up the user, verify password hash, record failed attempts, handle MFA via OTP, then create a session or issue tokens and redirect.