Diagram examples

Diagram examples — page 5 of 7

Every diagram here was generated from a plain-language description. Open any one to see its structure live.

BPMN Diagram 7/12/2026

Airport Check-in Swimlane Diagram

Swimlane diagram of the airport check-in process across Passenger, Airline, Security, and Ground Crew roles. It follows document verification, boarding pass issuance, baggage check, parallel security screening, and the outcomes of boarding or denied check-in.

swimlane diagramairport check-inbpmnsecurity screeningbaggage checkpassenger process
13 nodes 13 connections 4 lanes
Flowchart 7/12/2026

On-Call Alert Routing Architecture

Flowchart of an on-call alert routing system, showing alerts moving from monitoring tools through ingestion, severity triage, and routing to responders. It also includes escalation paths, notification channels, incident tracking, and ticket creation.

on-callalert routingincident managementescalationmonitoringticketing
9 nodes 10 connections
Sequence Diagram 7/12/2026

OAuth2 Authorization Code Flow

Sequence diagram of the OAuth 2.0 Authorization Code Flow, showing how the user, browser, client app, and authorization server interact during sign-in and code exchange.

oauth2authorization code flowsequence diagramauthenticationauthorization server
4 nodes 10 connections
BPMN Diagram 7/12/2026

Hospital Patient Intake

BPMN diagram of a hospital patient intake workflow across Reception, Triage, Doctor, and Pharmacy lanes, from patient arrival and registration through vitals assessment, consultation, prescription, dispensing, and visit completion.

bpmnhospital workflowpatient intaketriageclinical processpharmacy
10 nodes 10 connections 4 lanes
Class Diagram 7/12/2026

Payment Gateway — Strategy Pattern

Class diagram of a payment system using the Strategy pattern: OrderService calls PaymentProcessor, which delegates to a PaymentGateway interface implemented by StripeGateway and PayPalGateway.

strategy patternclass diagrampayment gatewaystripepaypal
5 nodes 4 connections
ER Diagram 7/12/2026

SaaS Subscription Database

Entity-relationship diagram for a SaaS subscription database, showing organizations, users, plans, subscriptions, invoices, and payments and how billing records connect to customers and pricing plans.

erdsaassubscription billingdatabase schemainvoicespayments
6 nodes 5 connections
Flowchart 7/12/2026

Microservices Platform

Flowchart of a microservices platform where a client app sends requests through an API gateway to user, order, catalog, and payment services. It also shows separate databases, a message bus, and a notification service for asynchronous events.

microservicesapi gatewaymessage busservice architecturedistributed systems
11 nodes 10 connections
ER Diagram 7/12/2026

Food Delivery Platform ERD

Entity-relationship diagram for a food delivery platform, showing customers, restaurants, menus, menu items, drivers, orders, order items, and ratings. It maps how orders connect users, merchants, delivery, and feedback data.

entity relationship diagramfood deliveryordersrestaurantsdelivery driversratings
8 nodes 11 connections
BPMN Diagram 7/12/2026

Contract Review and Signing

BPMN workflow showing how a sales contract moves from drafting and legal review through finance and executive approval to signature and storage, with rejection paths when any approval fails.

bpmncontract reviewapprovalslegal workflowfinance approvalsignature process
12 nodes 13 connections 4 lanes
BPMN Diagram 7/12/2026

SaaS Subscription Renewal

BPMN workflow for a SaaS subscription renewal across Customer, CRM, Billing, and Support. It traces notice and offer review through payment success, activation, confirmation, or issue resolution leading to completion or cancellation.

bpmnsaassubscription renewalbillingpayment flowcustomer support
12 nodes 12 connections 4 lanes
BPMN Diagram 7/12/2026

Job Recruitment Pipeline

BPMN diagram of a job recruitment pipeline with lanes for Candidate, HR, Hiring Manager, and Legal, tracing the process from application receipt and screening through interviews, selection, offer review, and issuing or closing the application.

bpmnrecruitmenthiring processcandidate screeningjob interviewoffer approval
14 nodes 15 connections 4 lanes
Flowchart 7/12/2026

CI/CD Pipeline Architecture

Flowchart of a CI/CD pipeline from GitHub commits through a webhook-triggered build, container image push to a Docker registry, deployment to staging, manual release approval, and promotion to production.

ci/cddeployment pipelinegithubdocker registrystagingproduction
9 nodes 10 connections
Flowchart 7/12/2026

Checkout Flow

Flowchart of an e-commerce checkout process from cart review through payment and order confirmation, including decision points for cart validation, payment failure, retries, and checkout ending.

checkout flowe-commercepayment processingorder confirmationdecision flow
13 nodes 14 connections
ER Diagram 7/8/2026

Recipe Data Model (ERD)

Recipe Data Model (ERD) — er diagram with 6 nodes and 10 connections.

6 nodes 10 connections
Flowchart 7/8/2026

Recipe Data Input Web App (Structures + Flow)

Flowchart showing a recipe data input web app: FoodRecipe and IngredientInfo structs, recipe list initialization, addRecipe() to collect entries, a loop to add more recipes, then displayRecipe() to show results.

flowchartweb appdata entrystructsrecipesprogram flow
9 nodes 7 connections
Flowchart 7/2/2026

On-Prem Servers to Veeam Cloud: Backup vs Replication

Flowchart showing 48 on‑prem servers split by protection type: 19 replicate to Veeam Cloud for instant recovery, and 29 are backed up to Veeam Cloud, ending in the cloud target.

veeam cloudon-prem serversbackupreplicationdisaster recovery
5 nodes 3 connections
Class Diagram 6/28/2026

Morning Gym Decision Map

Morning Gym Decision Map — class diagram with 12 nodes and 15 connections.

12 nodes 15 connections
BPMN Diagram 6/28/2026

Loan Application Processing

Loan Application Processing — bpmn diagram with 12 nodes and 12 connections.

12 nodes 12 connections 3 lanes
Class Diagram 6/28/2026

Banking API Payment Types

Class diagram of a banking API loan workflow showing how a Customer submits a LoanApplication with Documents and DocumentRequests, and how the LoanProcessingSystem runs credit checks, underwriting, and funding. Includes entities like Underwriter, UnderwritingDecision…

banking apiloan processingclass diagramunderwritingcredit checkfunding
9 nodes 18 connections
Flowchart 6/28/2026

Morning Workout Decision

Morning Workout Decision — flowchart with 12 nodes and 14 connections.

12 nodes 14 connections
Flowchart 6/28/2026

12-Person Startup Org Chart

Org chart for a 12-person startup showing reporting lines from the CEO to VP Engineering and VP Sales, plus Head of Design. Engineering is split into backend and frontend leads with two backend engineers and one frontend engineer; sales includes two account execs.

org chartstartupengineering teamsales teamdesign
12 nodes 5 connections
Flowchart 6/28/2026

Order Lifecycle State Machine

Order Lifecycle State Machine — flowchart with 10 nodes and 12 connections.

10 nodes 12 connections