A scale or full-size model of a design or device which is not fully functional, used for teaching, demonstration, design evaluation, promotion, and other purposes.
A prototype, usually low-fidelity, such as a paper illustration, screenshot, or simple configuration of a screen with limited interaction.
A method for reproducing a bug or problem.
The act of reproducing new individuals biologically.
The act of making copies.
A copy of something, as in a piece of art; a duplicate.