Selah
glossarydefined once

Every term in one sentence.

Every term that carries a specific meaning on our platform, defined once, one sentence first. These are the words our engine, our docs, and our ledger use; if a sentence anywhere on this site is unclear, the missing word is probably here.

terms

Every term that carries a specific meaning.

AOP (Agent Operating Procedure)
The unit of governance: a structured, versioned, machine-enforceable statement of what an agent may do and say, and what happens otherwise. Authored as action policies across five layers, the response rules in the output configuration, and the packs you enable.
AOP Runtime
The deterministic engine component that resolves and enforces AOPs on the hot path, returning permit, hold, or deny in well under ten milliseconds.sub-10ms · deterministic
Shadow AOP Ledger
The record built in shadow mode of what your AOPs would have decided, without enforcing; your proof and your raw material for authoring AOPs.
Shadow mode
A per-tenant mode where decisions are computed and recorded but nothing is blocked, so you can calibrate before enforcing.
Enforcement
When Selah moves from recording to acting, so a deny stops something for real and a hold waits for a person.
The five layers
The precedence order for AOP resolution, compliance, jurisdiction, agent type, base, campaign, highest to lowest.compliance · jurisdiction · agent type · base · campaign
Pack
A versioned bundle of AOPs for an industry or jurisdiction that you enable; compliance and jurisdiction packs are the first form of the AOP library.
Compliance Library
The universal baseline of AOPs plus the packs, the mechanism for reusing governance across tenants.
The three moments
Input, action, and response, the three points at which the engine governs, with endpoints gate/check, evaluate, and validate/output.gate/check · evaluate · validate/output
Permit, hold, deny
The three verdicts; returned as allow, escalate, block for the input and response checks, which map to permit, hold, deny.
Inversion of control
The model where the agent proposes, the engine decides, and connectors execute, so the agent never holds credentials or acts on its own.
Connector
The Selah-side component that executes a permitted action against an external system, only against a valid permit, with encrypted write-only credentials.
Fail-closed, fail-open
Fail-closed denies when it cannot decide (used on the action path and the hard response rules); fail-open allows and records (used on the input check and the response model layer).
Tenant type
Enterprise, platform, or private, which changes how escalations are handled, not the decision logic.
Sub-tenant
For a platform tenant, one of your customers, set up under your parent account with its own AOPs.
Nested tenancy
The model where one parent tenant holds many sub-tenants, each governed independently.
ActionEnvelope
The structured action an agent proposes to the action check, carrying agent, action, parameters, and context.
Decision identifier
The reference returned with a permit, required by a connector to execute the permitted action.
Audit chain
The append-only, hash-chained decision record; tamper-evident, with personal data kept out of it by architecture.
Scope
What an API key may reach, evaluate for the data plane, manage for tenant configuration, admin for the administrative surface.evaluate · manage · admin

See the vocabulary at work.

The docs put these terms to use across the three moments and the AOP lifecycle.

read the docs