Diagram Examples — Page 4

Class Diagram 7/19/2026

Payment System

Payment System — class diagram with 11 nodes and 10 connections.

11 nodes 10 connections

Flowchart 7/19/2026

Kubernetes E-commerce Cluster Architecture

Flowchart of a Kubernetes e-commerce setup: web/mobile clients go through a CDN + WAF to an ingress controller and API gateway, which route traffic to the shop service. Background workers consume a job queue and interact with orders database, Redis cache, and an external…

kubernetese-commercemicroservicesapi gatewayingressbackground workers

10 nodes 11 connections

Flowchart 7/19/2026

Main Physics Areas (Undergrad)

Flowchart outlining the main subject areas in an undergraduate physics program, branching from Undergrad Physics into classical mechanics, electromagnetism, quantum mechanics, thermal/statistical physics, relativity, math methods, labs, and advanced electives.

physics curriculumundergraduatephysics topicsflowchartcourse map

11 nodes 10 connections

BPMN Diagram 7/13/2026

University enrollment

University enrollment — bpmn diagram with 11 nodes and 10 connections.

11 nodes 10 connections 4 lanes

Flowchart 7/13/2026

Conference Talk Submission Workflow

Conference Talk Submission Workflow — flowchart with 10 nodes and 11 connections.

10 nodes 11 connections

Flowchart 7/12/2026

ML Pipeline Architecture

Flowchart of an end-to-end ML pipeline showing data sources flowing into a raw data lake, ingestion, and a feature store, then training to a model registry and serving API for apps and users, with monitoring and drift feedback loops.

ml pipelinefeature storemodel servingtrainingmodel registrymonitoring

9 nodes 11 connections

Sequence Diagram 7/12/2026

Stripe Checkout Payment Flow

Stripe Checkout Payment Flow — sequence diagram with 4 nodes and 11 connections.

4 nodes 11 connections

Sequence Diagram 7/12/2026

CDN Cache Miss and Origin Fetch

CDN Cache Miss and Origin Fetch — sequence diagram with 3 nodes and 7 connections.

3 nodes 7 connections

ER Diagram 7/12/2026

SaaS Multi-Tenant ERD

SaaS Multi-Tenant ERD — er diagram with 8 nodes and 9 connections.

8 nodes 9 connections

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

Diagram examples — page 4 of 7