to clarify or set straight (facts, logic, or responsibilities)

a very small measure or distance; often used in idiomatic expressions to denote extreme precision or accuracy.

without the slightest error or discrepancy; to be extremely accurate

the slightest initial difference leads to a huge error; a miss is as good as a mile

to analyze in the finest detail

American cherry (loanword)

to analyze in detail

A tiny lapse can lead to a huge mistake; a minor discrepancy leading to enormous losses.

A tiny lapse can lead to a huge mistake; a minor discrepancy can result in enormous losses.

A tiny mistake or discrepancy at the start can lead to a massive error or failure in the final outcome.