Available stockOn-hand stock minus units reserved for open orders. The figure pushed to every channel.BackfillThe first import after a channel connects: every listing, order and settlement the marketplace exposes, oldest first.ChannelOne marketplace connection in your workspace — Flipkart, Amazon India, Shopify and so on.Dead-letter queue (DLQ)Publishes that failed every retry. Visible on Channel health, replayable by hand.FSN / ASINThe marketplace's own product identifier: FSN on Flipkart, ASIN on Amazon. We keep ours (SKU) and theirs side by side.GTIN / SGTINThe barcode number on a product (GTIN) and a serialised one per unit (SGTIN). What the scan console reads.Idempotency keyA token on every write so a retried request cannot apply twice — a retried publish or a double-clicked button changes nothing.OutboxWhere a marketplace write waits before it is sent, so an outage delays it rather than losing it.Phantom returnA return that arrives but is not the parcel you sent — empty, swapped or another seller's. Returns Shield detects it from the signed QR.Recovery ledgerEvery rupee a marketplace short-paid or over-charged, with the source line and the claim deadline.RTOReturn to origin — a delivery attempt that fails and comes back. Predicted per order from pincode, payment mode and history.SettlementThe marketplace's payout for a period, line by line: what was sold, what was deducted, what was paid.SPFFlipkart's Seller Protection Fund — the claim route for returns that come back damaged or wrong.Tenant / workspaceYour isolated account. Every table is row-level-secured to it; support can only enter read-only, with a banner you see.WaveA batch of orders released for picking together, ordered into one walk through your locations.