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• Paradox of Choice

  The paradox of choice is when too many options make people decide worse, or not at all.

• Payback Period

  Payback period is the time it takes to earn back the cost of acquiring a customer.

• Payment Gateway

  A payment gateway is the service that securely handles online card payments between your store, the customer, and the banks.

• Payment Processor

  A payment processor is the company that routes a card transaction between your customer's bank, the card networks, and your account.

• PCI Compliance

  PCI compliance means following a set of security rules for handling payment card data safely.

• Peak-End Rule

  The Peak-End Rule is a behavioral science principle from psychologist Daniel Kahneman.

• Penetration Pricing

  Penetration pricing is a strategy where you launch a product at a low price to win customers fast.

• Persistent Wishlist

  A Persistent Wishlist keeps a shopper’s saved items in place across visits, devices, and time.

• Pre-Order

  A pre-order lets customers buy a product before it is officially released.

• Price Drop Alert

  A price drop alert is an automated message sent to a shopper when an item they recently viewed, left in their cart, or added to a wishlist goes on sale.

• Price Skimming

  Price skimming is a strategy where you launch a product at a high price, then lower it over time.

• Priming

  Priming is when exposure to one thing quietly changes how you react to the next thing.

• Print on Demand

  Print on demand is a fulfillment model where products are only made after a customer orders them.

• Private Label

  Private label is a retail model where you sell products made by a third-party manufacturer under your own brand name.

• Private Wishlist

  A private wishlist is a saved list of products that only the shopper can see.

• Product Approval Workflow

  A product approval workflow is the review process a marketplace uses before a vendor's product goes live.

• Product Bundling

  Product bundling is an ecommerce strategy where you group multiple distinct products together.

• Product Data Feed

  A product data feed, or product feed, is a digital file that contains a detailed list of the items you sell.

• Product Schema

  Product schema is structured data that describes a product to search engines and AI in a language they understand.

• Product Wishlist

  A product wishlist, or ecommerce wishlist, is a personalized digital space where shoppers can save products they like.

• Prompt Engineering

  Prompt engineering is the practice of writing clear instructions that get an AI tool to produce the output you want.

• Psychological Pricing

  Psychological pricing is the practice of setting prices to trigger emotional shortcuts rather than rational math.

• Public Wishlist

  A public wishlist is a saved list of products that anyone with a link can view and shop from.

• Purchase Intent

  Purchase intent, also known as buyer intent, is the measurable probability that a shopper will actually buy a product within a specific timeframe.

• Purchase Order

  A purchase order (or PO) is a document a buyer sends a seller to officially request goods or services.