The term "drawback" has several meanings, depending on its context.
1) In finance, drawback refers to a refund or rebate given when an asset is sold for less than it was purchased for. This can occur in situations where the value of the asset decreases over time.
2) In accounting, drawback refers to the process of deducting expenses from taxable income. For example, if a company incurs certain costs while producing goods for export, they may be able to claim a refund of some or all of these costs through a drawback program administered by the government.
3) In sports, drawback refers to the act of pulling back one's arm before throwing a ball, in order to generate more force and power behind the throw.
Overall, "drawback" can refer to getting something back after it was lost or spent, whether that be money, value, or strength.