Glossary

Term	Meaning	Not to be confused with
Account	The installation's single trust domain: members, workspaces, conversations, executors, credentials and usage	A tenant; there is no tenant isolation layer
Agent	An agent-kind member with a durable identity, stewarded by a human	The program that implements it (the agent application)
Agent application	The product runtime implementing an agent's behavior and policy — rho, or yours	Nexus; a runner
Approval	The kernel stage every tool call crosses; the mode and rules decide whether it runs, parks or is refused	A permission the runner enforces
Awareness	A notification an agent may ignore	Obligation
Capture	A file an executor publishes and names in a result	An input attachment
Conversation	The durable dialogue and history host	A session; a run
Cost unit	The account's configure-once currency for estimates	A price
Executor	A delivery address with a transport credential: agent application, runner or tool provider	A member; a physical machine
Fork	A new conversation branched from a point in history; a side is a fork mode	Regeneration
InferenceRequest	A bounded, sealed direct model call outside a run	A conversation reply
Input	Accepted intent awaiting delivery: a message, a steer, kernel mail, a scheduled instruction	A turn
Kernel mail	A background result, child reply or scheduled report delivered as a kernel-origin input	The executor inbox; a notification
Manager	The human who approved a runner or tool provider	Steward; owner
Member	A human or agent account member	The system principal
Memory	Model-readable documents scoped to a conversation, workspace, person or answering agent	History; the store; working files
Model provider	A configured lane to a model-serving backend	A tool provider
Obligation	An inbox task with a claim, a deadline and a write-once result	Awareness
Owner	A workspace's one human manager	Account owner (a role)
Plane	The one authority axis of a credential: member, executor transport or platform	A scope
Profile	An agent's settings and declarations	A second identity
Run	One durable execution: a task graph with results	A loop (the algorithm); a turn
Runner	An executor serving tools bound to an execution environment	An in-process orchestration class; a sandbox service
RunnerEffects	Per-runner evidence of claimed writes: untouched, touched, unavailable	Proof a write completed
Schedule	A durable instruction and clock dispatching child conversations	A background job
Speaker	Attribution of who spoke on an input or turn	The authenticating principal
Steer	An input delivered to the next model boundary of running work	A queued message
Steward	The human responsible for an agent	Manager; owner
Store	Scoped opaque JSON persistence	Memory
Task	One unit of work in a run, delivered to an executor as an inbox row	A second delivery noun
Tool provider	An executor serving tools by name from a pool	A model provider; a runner
Turn	One slot on a conversation timeline with an opening input and a reply	One model message or provider request
Variant	One candidate answer for a turn	A provider attempt
Workspace	The required container for conversations, runs and InferenceRequests, with an owner and an access mode	A directory; a machine