Tracer BULLET can be used as spike with the current architecture or the current set of best practices. The purpose of a tracer bullet is to examine how an end-to-end process will WORK and examine feasibility.
Tracer ammunition, which is a part of bullet BUILT with a small pyrotechnic charge in their base
It is a fictional detective, ALTER ego of Calvin in the comic STRIP Calvin and Hobbes
It is used in Scrum (software development)to describe a proof-of-concept deliverable
Pathfinder (library science) – a term for those pathfinders produced by the Library of Congress.