Pages tagged with Notation
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Vithanco Graph Language (VGL) Guide
Learn the VGL syntax for creating and editing graphs in text format
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VGL Guide — User-defined notations (`vnotation`)
vnotation defines a notation schema inline in a VGL file, with no Swift
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VGL Guide — Transition Tree (TRT)
Step-by-step implementation planning (ToC). Shares CRT/FRT's node types but
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VGL Guide — Timeline
Events across multiple tracks on a shared time axis, aligned by column.
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VGL Guide — Prerequisite Tree (PRT)
Planning with necessary-condition thinking, starting from the objective and
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VGL Guide — Notations
Fifteen notations are built in. Each has its own section in the
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VGL Guide — Notation reference
"One section per built-in notation: its node types, its edge types, and a"
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VGL Guide — Metagraph (visualising a notation)
A notation is a graph — its node types are vertices and its edge types are
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VGL Guide — Impact Mapping
A strategic planning graph showing goals, actors, impacts, and deliverables.
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VGL Guide — IBIS
Decision-making and argumentation.
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VGL Guide — Grammar
"Simplified BNF:"
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VGL Guide — Goal Tree
Strategic planning with Theory of Constraints necessity logic (H. William
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VGL Guide — Future Reality Tree (FRT)
Solution validation (ToC), showing how proposed solutions lead to desired
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VGL Guide — Evaporating Cloud (EC)
A conflict-resolution tool using necessary-condition logic, flowing
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VGL Guide — Decision Tree
Decision logic as questions, choices and outcomes.
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VGL Guide — Current Reality Tree (CRT)
Root cause analysis (Theory of Constraints), showing how causes lead to
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VGL Guide — Concepts
Every VGL document declares a notation, which fixes the node and edge types
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VGL Guide — Concept Map
Domain vocabulary as falsifiable propositions. The title is a Guiding
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VGL Guide — Causal Loop Diagram (CLD)
"Systems analysis: what reinforces or balances what over time. Every element is a"
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VGL Guide — C4
"Software-architecture diagrams in Simon Brown's C4 model: people, software"
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VGL Guide — BBS
Benefit breakdown and analysis.
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VGL Guide — Attack-Defense Tree (ADTree)
Security modelling after Kordy et al. (2014), extending classical attack trees
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Timeline Notation
Visualise events across parallel tracks aligned to a shared time axis — extensible with custom event types via vnotation
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The Transition Tree (TRT) Notation
A Transition Tree (TRT) is a cause-and-effect logical tool that bridges strategy and execution by translating plans into actionable steps
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The IBIS Notation
The IBIS notation allows to drill down on any problem and answer all relevant questions by only four Note Types: Questions, Answers, Pros and Cons.
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The Goal Tree (GT) Notation
The Goal Tree defines what a system must achieve by articulating a single Goal, a handful of Critical Success Factors, and the network of Necessary Conditions that support them.
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The Evaporating Cloud (EC) Notation
Evaporating Clouds resolve conflicts by exposing and challenging the underlying assumptions that create them.
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The Current Reality Tree (CRT) Notation
The Current Reality Tree (CRT) notation from the Theory of Constraints helps you perform root cause analysis and identify the single most impactful leverage point.
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The Concept Map Notation
Use the Concept Map Notation to define terminology, align your team, and visually structure knowledge using simple concepts and relations.
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The C4 Model Notation
Draw software architecture with Simon Brown's C4 model — and move between System Context, Container and Component views by folding a group, not by drawing four diagrams.
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The Benefit Breakdown Structure (BBS) Notation
The Benefit Breakdown Structure (BBS) notation helps you visually plan project execution backwards from strategic intent to enablers.
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The Attack-Defense Tree (ADTree) Notation
Attack-Defense Trees model security scenarios as a two-player game between attacker and defender.
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The Arithmetic Notation
Draw a simple equation as a graph — numbers, the four operators, and an Equals node that checks the answer and turns green or red
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Causal Loop Diagram Notation
Understanding complex systems through Feedback Loops and Causal Loop Diagrams