The glossary, the limits table, and the engine’s version history.
ORIN uses ordinary trading words with precise, code-enforced meanings. This glossary defines each one as the engine defines it, so a term on a verdict and the same term in a statistic cannot quietly mean two different things.
This page collects the constants the rest of the documentation cites. Every figure here is imported from the module that defines it rather than transcribed, so a value that changes in code changes on this page in the same build.
Every analysis is stamped with the engine version that produced it, and history is never regraded — a journal entry shows the rules as they stood when the decision was made. The turning point in that history was a walk-forward replay that found the score did not rank outcomes out of sample.