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SysModeler — User Manual

2. Key Concepts & Terminology

TermMeaning
ProjectThe top-level container for a system model. Each project is either SysML v1 or v2, fixed at creation.
WorkspaceThe full editing environment you enter when you open a project — tabs, sidebars, the canvas or code editor, Model Explorer, and the AI panel.
DiagramA single SysML v1 view (e.g., one Block Definition Diagram). A v1 project can contain many diagrams.
FileA single .sysml source file in a v2 project, organized in a folder hierarchy.
Node / ElementA shape on the canvas (a block, part, actor, state, action, requirement, etc.).
Edge / ConnectorA line linking two nodes (association, composition, flow, transition, etc.).
Model ExplorerThe hierarchical tree view of a v2 model's systems, subsystems, and element properties.
BranchAn independent line of work in a v2 project's version history (like a Git branch).
CommitA saved, message-tagged snapshot of a v2 branch's files.
PresenceThe live indication of who else is currently in the project and which file they have open.
LockA hold that prevents two people from editing the exact same element or branch simultaneously.
RoleYour permission level on a project: Owner, Editor, or Viewer.
QueryA saved, named, database-style search that returns model elements matching field conditions.
API KeyA scoped credential for programmatic REST access to a SysML v2 project from outside the app.
CreditsThe unit consumed when you use AI Agent features (see Billing).