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The terms "prototype" and "sample" are often used interchangeably, but they have different meanings, especially in design, engineering, manufacturing, and product development contexts.

🔧 Prototype

• A prototype is an early version of a product used to test and validate ideas, functionality, or design.
• It’s usually created before mass production.
• Often used to explore concepts, test usability, or evaluate the technical feasibility.
• May be rough or incomplete.
• Iterated multiple times during development.

📦 Sample

• A sample is a finished or near-finished version of a product that is typically used to show what the final product will look like.
• It’s often made for quality checks, marketing, or sales purposes.
• Usually used after prototyping, just before or during mass production.
• Should be identical or very close to the final version.

Richard Oring, from New Century Financial Group in Princeton, New Jersey, discusses...

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