: Always provide a title and a legend to clarify what different shapes or colors represent.

: Avoid over-complicating high-level diagrams with internal logic.

A is a visual representation of a system's features and their relationships, typically shown as a hierarchical tree structure. It is a core component of domain engineering, used to model the variability and commonality within a product line. Core Components and Notations

: A popular JavaScript-based tool for rendering diagrams from markdown-like text. Best Practices for Designing Diagrams

: Represent sub-features or specific functionalities belonging to the parent feature. Relationship Types :

: Offers extensive shape libraries and templates for tree-based modeling.

: Provides a dedicated language for defining feature diagrams textually.

: The child feature is required if the parent is selected. Optional : The child feature can be optionally included.