Bank statements. One sort of financial record is a bank statement. Your bank will regularly send a statement containing information showing income (credits) and outgoings (debits) on your bank account.
They're synonyms. Gain is the most general. Attain usually means to reach a goal or milestone (he attained the rank of captain). Obtain usually implies careful planning or some effort to get to the thing or goal. But they have probably something like 80% overlap in meaning.
LINK / CITE ADD TO WORD LIST. noun. The definition of attainment is an act of achieving or getting something or something that is achieved or acquired. 1  Working on a Ph.D. is an example of an attainment. 2  The receipt of a Ph.D. after years of study is an attainment.