Paper trail

From Fresh Dictionary

English

Noun

paper trail

1. ((idiomatic{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) A written record, history, or collection of evidence.

   Keep a good paper trail in case anyone asks you why you arrived at that conclusion.