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.
Difference Between Knowledge and Wisdom. Knowledge is a noun that refers to the information, understanding and skills that you gain through education or experience. It refers to the hard facts and the data that can be available to anyone if he has the right resources. For example, you can have practical, medical or scientific knowledge.