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# Glossary

> A-Z reference of the vocabulary used across chrt — orders, task groups, segments, stops, cargo types, rate sheets, statements, ledgers, connections, trackers, ETAs, roles. One-line definitions with links to the canonical concept pages.

A flat A-to-Z index of every term used across docs.chrt.com. Each entry
points to the [concept page](/docs/concepts/orders) that defines it
authoritatively.

## A

* **Active connection** — A [connection](/docs/concepts/connections) both
  sides have accepted; orders can be assigned across it.
* **Admin** — Org [role](/docs/concepts/roles) with full management rights
  except for owner-only actions.
* **Adjustment** — A manual change to a line item's amount on a [line item group](/docs/concepts/billing-primitives#line-item-group).

## B

* **Base mileage** — The flat-rate distance band on a ground [rate sheet](/docs/concepts/billing-primitives#rate-sheet) (e.g. `$25 for the
  first 15 miles`).
* **Billing ledger** — Optional grouping of [statements](/docs/concepts/billing-primitives#statement)
  between two parties across a recurring period.

## C

* **Cargo** — What's being moved on an [order](/docs/concepts/orders#cargo).
  Each task references one cargo record.
* **Cargo type** — Classification (e.g. `blood`, `pharmaceuticals`,
  `documents`) that drives qualification, handling, and pricing. See
  [Cargo types](/docs/concepts/cargo-types).
* **Connection** — Link between two orgs on chrt. See
  [Connections](/docs/concepts/connections).
* **Connect handle** — Public org handle (e.g. `@acme-couriers`) that drives
  the profile URL. See [Connections](/docs/concepts/connections#the-directory-and-the-connect-handle).
* **Courier** — A [provider](/docs/concepts/connections#org-modes-shipper-and-provider)
  who runs the work directly.

## D

* **Default rate sheet** — Rate sheet auto-applied to orders across a given
  [connection](/docs/concepts/connections#default-rate-sheet).
* **Directory** — Searchable index of every public chrt org profile at
  `chrt.com/directory`.
* **Draft order** — An order in the `draft` state, being built before
  submission. See [Order states](/docs/concepts/orders#order-states).
* **Driver** — A member of a provider org with a driver profile and access
  to the chrt mobile app. See [Roles](/docs/concepts/roles#drivers).

## E

* **ETA** — Estimated time of arrival for an upcoming task, calculated from
  driver location, flight data, time windows, and Mapbox routing. See
  [ETA](/docs/concepts/tracking#eta).
* **Earnings** — Statements where your org is the payment destination
  (money in).
* **Expenses** — Statements where your org is the payment origin (money
  out).

## F

* **Forwarder** — A [provider](/docs/concepts/connections#org-modes-shipper-and-provider)
  who brokers work to couriers rather than driving it directly.
* **FlightAware** — The third-party feed chrt uses for flight departure,
  arrival, and tracking data.

## G

* **Ground task group** — A task group of type `chrt_ground_provider` —
  picked up and delivered by ground couriers. See [Orders](/docs/concepts/orders#task-group).

## H

* **Handle** — See **Connect handle**.

## L

* **Ledger** — See **Billing ledger**.
* **Line item** — A single chargeable component on a line item group (e.g.
  `base_rate`, `additional_mileage`, `fuel`).
* **Line item group (LIG)** — The full set of line items for one task
  group, generated from a rate sheet. See [Billing primitives](/docs/concepts/billing-primitives#line-item-group).

## M

* **Member** — The lowest [org role](/docs/concepts/roles); read-only
  outside their own profile and any driver assignment.
* **Milestone** — A timestamped event emitted when a task completes (e.g.
  `pickup`, `flight_departed`, `deliver`). See [Tracking](/docs/concepts/tracking#milestones).
* **Mode** — Whether the org is set up as a `shipper` or a `provider`. Fixed
  at setup time. See [Connections](/docs/concepts/connections#org-modes-shipper-and-provider).

## O

* **OBC** — On-board courier. A task group of type `onboard_courier` where a
  person hand-carries cargo through pickup, flight(s), and delivery.
* **Off-platform** — A connection record for a partner who doesn't have a
  chrt account. See [Connections](/docs/concepts/connections#on-platform-vs-off-platform).
* **On-platform** — A connection where both sides have chrt accounts.
* **Operator** — Org [role](/docs/concepts/roles) between admin and member;
  handles day-to-day dispatch but cannot change billing setup.
* **Order** — The shipper-facing record of a shipment. See [Orders](/docs/concepts/orders#order).
* **Owner** — Highest [org role](/docs/concepts/roles); the org's principal.

## P

* **Payment vector** — Directional billing relationship: SPP, PPP, or PPD.
  See [Billing primitives](/docs/concepts/billing-primitives#payment-vectors).
* **PPD** — `provider_pay_driver`. A courier paying their own driver.
* **PPP** — `provider_pay_provider`. A forwarder paying a downstream
  courier.
* **Provider** — An org in `provider` mode — covers both forwarders and
  couriers. See [Connections](/docs/concepts/connections#org-modes-shipper-and-provider).
* **Public link** — A chrt-hosted tracking page anyone can open without a
  chrt account. See [Public links](/docs/concepts/tracking#public-links).

## R

* **Rate sheet** — Pricing template that attaches to a task group to
  generate billable line items. See [Billing primitives](/docs/concepts/billing-primitives#rate-sheet).
* **Rate sheet kind** — `ground`, `flights`, or `obc`. One kind per task
  group type.

## S

* **Segment** — Draft-builder label for a [task group](/docs/concepts/orders#task-group).
  Same object, different surface.
* **Settlement type** — `stripe_connect` (chrt issues a Stripe invoice) or
  `off_chrt` (settle outside chrt).
* **Shipper** — An org in `shipper` mode that places orders and pays for
  them.
* **SPP** — `shipper_pay_provider`. A provider charging the shipper.
* **Staged** — Submitted and awaiting work. Applies to orders, task groups,
  statements, and line item groups.
* **Statement** — Bundle of one or more line item groups that becomes an
  invoice or settlement. See [Billing primitives](/docs/concepts/billing-primitives#statement).
* **Stop** — Draft-builder and timeline label for a [task](/docs/concepts/orders#task).
* **Stripe Connect** — The integration chrt uses to issue invoices and
  receive payouts on behalf of payee orgs.

## T

* **Task** — One action at one location (`pickup`, `deliver`, etc.) inside
  a task group. See [Orders](/docs/concepts/orders#task).
* **Task group** — One continuous unit of work on an order, assigned to one
  party. See [Orders](/docs/concepts/orders#task-group).
* **Tender** — The act of handing cargo to an airline at an airport
  (`tender_to_airline`).
* **Time window** — Earliest and latest acceptable times for a task. Used
  by [ETA](/docs/concepts/tracking#time-windows-override-eta) and dispatch.
* **Tracker session** — A window of recording for a tracker device. See
  [Tracking](/docs/concepts/tracking#tracker-session).
* **Tracking session** — See **Tracker session**.

## V

* **Vehicle type** — `sedan`, `suv`, `cargo_van`, `box_truck`, `flatbed`, or
  `semi_truck`. Used to scope rate sheets and qualify couriers.

## W

* **WebCargo** — Air-cargo booking integration available from the Flights
  tab of a draft order.

## Related references

* [Concepts: Orders](/docs/concepts/orders)
* [Concepts: Cargo types](/docs/concepts/cargo-types)
* [Concepts: Roles](/docs/concepts/roles)
* [Concepts: Connections](/docs/concepts/connections)
* [Concepts: Billing primitives](/docs/concepts/billing-primitives)
* [Concepts: Tracking](/docs/concepts/tracking)