It looks like you're referring to #OrderTypes101, which could be an introduction or guide to different types of orders—commonly in trading, e-commerce, or logistics. Here's a quick breakdown depending on the context:

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🧾 In Trading (Stocks, Crypto, Forex)

Basic Order Types:

1. Market Order – Executes immediately at the current market price.

2. Limit Order – Executes only at a specified price or better.

3. Stop Order (or Stop-Loss) – Becomes a market order when a set price is reached.

4. Stop-Limit Order – Combines stop and limit; becomes a limit order when the stop price is reached.

Advanced Order Types: 5. Trailing Stop Order – Moves with the market, locking in profits. 6. Fill or Kill (FOK) – Must be filled immediately in full or canceled. 7. Immediate or Cancel (IOC) – Fill whatever is possible immediately; cancel the rest. 8. Good-Til-Canceled (GTC) – Remains active until filled or canceled manually.

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🛒 In E-commerce

1. Standard Order – Normal purchase through the store.

2. Pre-order – Item is ordered before it's available.

3. Backorder – Item is out of stock but will be shipped when restocked.

4. Drop Shipping Order – Seller forwards the order to a third-party supplier.

5. Subscription Order – Recurring order set on a schedule.

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📦 In Logistics / Supply Chain

1. Purchase Order (PO) – Buyer’s request to a supplier.

2. Sales Order (SO) – Seller’s confirmation to fulfill a customer’s purchase.

3. Work Order – Instructions for manufacturing or repairs.

4. Transfer Order – Moving inventory between locations.

5. Return Order – Initiated for returning goods.