PrototypeA preliminary model or version
Definitions:
An original model on which something is patterned
StakeholderA person or group that has an investment or interest in something
Definitions:
Any person or entity that has something to gain or lose from the outcomes of a project, decision or process
ValidateTo confirm or prove the usefulness or correctness of something
Definitions:
To confirm, support, or corroborate on a sound or authoritative basis
IterationThe process of repeating or going through a process again
Definitions:
A procedure in which repetition of a sequence of operations yields results successively closer to a desired result
ConstraintA limitation or restriction
Definitions:
The state of being checked, restricted, or compelled to avoid or perform some action