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.
Here are all the possible meanings and translations of the word attain. Princeton's WordNet(0.00 / 0 votes)Rate this definition: achieve, accomplish, attain, reach(verb) to gain with effort. she achieved her goal despite setbacks. reach, hit, attain(verb) reach a point in time, or a certain state or level. The thermometer hit 100 degrees; This car can reach a speed of 140 miles per hour. fall upon, strike, come upon, light upon, chance upon, come across, chance on, happen upon, attain, discover(verb) find unexpectedly.