# FractalForm > FractalForm is a text-based tool for describing and visualizing system topologies. Write a short text description, get an interactive diagram you can step through and share. ## Documentation for LLMs - [reference.llm](https://fractalform.io/reference.llm): Full language syntax, all constructs, content types, shapes, edge types. Read this to understand what the language can express. - [authoring.llm](https://fractalform.io/authoring.llm): Best practices for writing effective diagrams. Read this to understand how to write diagrams that teach. Includes the language quick reference table. - [about.llm](https://fractalform.io/about.llm): High-level overview of what FractalForm is. ### How to use If generating a diagram, read both `reference.llm` (for syntax) and `authoring.llm` (for best practices). If answering questions about FractalForm, `reference.llm` is sufficient. ## Documentation (Human-readable) - [Language Reference](https://fractalform.io/reference): Complete language reference with examples - [About](https://fractalform.io/about): What FractalForm is and how it works ## Links - [Playground](https://fractalform.io/): Interactive editor and diagram viewer