Glossary

Term	Meaning
Graph	User-facing graph definition. Controls supported nodes, types, command policy, subgraph policy, and diagnostics.
GraphModel	Persisted model that stores nodes, wires, variables, subgraphs, placemats, sticky notes, and change tracking.
CustomGraphModelImpl	Default graph model used by Graph. Delegates graph-specific behavior back to the Graph instance.
GraphView	Low-level editable UI for one graph model. Owns canvas, panels, item library, history, selection, and commands.
GraphEditorView	Recommended LDLib2 Editor View wrapper around GraphView, with save button, dirty state, subgraph breadcrumb, and subgraph dive.
GraphResource	Editor resource definition for graph assets saved as CompoundTag.
Node	User-defined node class. Defines display name, options, ports, and optional preview.
NodeModel	Runtime/persisted model for a node instance.
PortModel	Runtime/persisted model for an input or output port.
WireModel	Runtime/persisted model connecting two ports.
TypeHandle	Serializable type identity used by ports, variables, constants, options, icons, colors, default values, and configurators.
Constant	Stored value used by constant nodes, input port values, options, and variable defaults.
Blackboard	Graph panel that edits variable declarations.
Variable	Graph-level declaration with name, type, default value, and kind.
VariableKind.LOCAL	Variable used only inside the current graph.
VariableKind.INPUT	Variable exposed as an input port on subgraph nodes.
VariableKind.OUTPUT	Variable exposed as an output port on subgraph nodes.
Subgraph	Graph nested or referenced by another graph.
Local subgraph	Inline subgraph owned by the parent graph.
External subgraph	Subgraph referenced by IResourcePath and resolved through IGraphReferenceResolver.
Context node	Node that owns an ordered list of block nodes.
Block node	Node that lives inside a context node instead of directly on the graph canvas.
Wire portal	Compact node pair used to route a wire through named entry/exit points.
Placemat	Resizable canvas area used to visually group graph elements.
Sticky note	Comment element placed on the graph canvas.
Capability	Flag on graph element models that controls actions such as delete, move, copy, rename, color, collapse, or resize.