Diagramium

Diagram Types

Last updated: July 27, 2026

One guide per editor — what the notation is for, when it beats the alternatives, and how to build, present and export one in Diagramium.

2026-08-13 · 8 min readHow to Create a Mind Map: Examples, Structure and Best PracticesCreate a mind map that stays readable: one idea per branch, nouns not sentences, and a depth limit. With structure rules, worked examples and the text syntax.Read → 2026-08-13 · 8 min readHow to Create a Swimlane Diagram for Business ProcessesCreate a swimlane diagram that settles ownership: choose lanes by who does the work, put each step in exactly one lane, and name every handoff between them.Read → 2026-08-13 · 6 min readHow to Create a State Machine DiagramCreate a state machine diagram: name the states one thing can be in, label every transition with its trigger and guard, and give it an initial and terminal state. With worked lifecycles.Read → 2026-08-13 · 7 min readHow to Create an Organizational ChartCreate an org chart that stays readable as it grows: one solid reporting line per person, dotted lines for secondary managers, and layout that follows the hierarchy. Includes the text syntax.Read → 2026-08-13 · 7 min readHow to Create a UML Class Diagram: A Practical GuideCreate a UML class diagram: classes with attributes and methods, visibility markers, and the difference between association, aggregation, composition and inheritance — with worked examples.Read → 2026-08-13 · 9 min readHow to Create a Sequence Diagram: Step-by-Step GuideCreate a sequence diagram in seven steps: pick participants, order the messages, add activation and fragments. Includes login, REST API and microservice examples, and the text syntax.Read → 2026-08-13 · 8 min readHow to Create a Flowchart: Step-by-Step Guide with ExamplesCreate a flowchart in seven steps: list the process, mark the decisions, keep the happy path straight, then label every branch. With editable examples.Read → 2026-08-19 · 8 min readFlowchart Symbols and Meanings: A Complete Visual GuideWhat each flowchart symbol means: terminator, process, decision, input/output, document and the specialist shapes — with the ISO 5807 names and when to use each.Read → 2026-08-19 · 8 min readProcess Flow Diagram: How to Visualize Any WorkflowA process flow diagram shows a workflow end to end: stages, handoffs, decisions and outputs. How to build one, and how it differs from an engineering PFD.Read → 2026-08-12 · 11 min readSequence Diagram: What It Is, Its Notation, and How to Build OneWhat a sequence diagram is, what lifelines and activation bars mean, when it beats a flowchart, and how to build and present one. 12 editable examples from protocols to payments.Read → 2026-08-12 · 12 min readFlowchart: What It Is, Which Shapes to Use, and How to Build OneWhat a flowchart is, what each shape promises, when to use one instead of a swimlane or sequence diagram, and how to build and present it. 12 editable examples across HR, retail, health and engineering.Read → 2026-08-12 · 9 min readOrg Chart: What It Is, How to Structure It, and How to Build OneWhat an org chart is for, why roles beat names, how to handle matrix reporting and vacancies, and how to build and present one. 11 editable examples.Read → 2026-08-12 · 12 min readState Machine: What It Is, Its Notation, and How to Build OneWhat a state machine is, how states differ from steps, why the exhaustive pass finds your bugs, and how to build and present one. 12 editable lifecycle examples.Read → 2026-08-12 · 9 min readMind Map: What It Is, When It Helps, and How to Build OneWhat a mind map is genuinely good for, how many branches to use, when a concept map or fishbone fits better, and how to build and present one. 12 editable examples.Read → 2026-08-12 · 10 min readHow to Build Swimlane Diagrams That Clarify Ownership and HandoffsOne lane per team, and every arrow that crosses a lane is a handoff worth arguing about. Build, present and export a swimlane — with 12 real cross-team examples.Read → 2026-08-12 · 10 min readTimeline: What It Is, How to Scale It Honestly, and How to Build OneWhat a timeline is for, why proportional spacing matters, when a Gantt chart fits better, and how to build and present one. 12 editable examples.Read → 2026-08-12 · 11 min readHow to Map an End-to-End Business Process in DiagramiumMap a business process from trigger to outcome — stages, hand-offs, rework loops and the measures that hang off them. 12 real process maps from finance, health, manufacturing, HR and engineering.Read → 2026-08-13 · 7 min readHow to Draw a System Architecture DiagramDraw a system architecture diagram that a new engineer can read: the client, API, service, queue and database layers, what each arrow must say, and a step-by-step build. 6 editable examples.Read → 2026-08-13 · 7 min readHow to Create a Data Flow Diagram: A Practical GuideThe four DFD elements — external entity, process, data store and data flow — the levelling rules that keep a diagram readable, and a step-by-step build. 6 editable examples.Read → 2026-08-19 · 8 min readC4 Model Explained: Context, Container, Component and Code DiagramsThe C4 model describes software architecture at four zoom levels: context, container, component and code. What each level shows, who it is for, and when to stop.Read → 2026-08-13 · 8 min readHow to Create an ER Diagram: Entities, Relationships and ExamplesTurn a database into an ER diagram: entities, primary and foreign keys, crow's-foot cardinality, and how to resolve a many-to-many with a join table. Step by step, with 6 editable schemas.Read → 2026-08-12 · 8 min readHow to Build a Kanban Board for Clear, Visual Work TrackingColumns that mean something, cards that carry the right detail, and work-in-progress limits that actually bite. Six ready-made boards you can open, edit and present.Read →

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Titles on the editorial plan for this collection. They are listed here rather than published as empty pages, and no page exists for them yet.

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