The document discusses the accrual concept in accounting. The accrual concept means that business transactions are recorded when they occur, not when related payments are made or received. This allows financial statements to reflect the true expenses and revenues for the period being reported. Examples are given of how accrual accounting would be applied, such as expensing rent over the period it is used rather than when payment is made. The significance is that accrual accounting provides a more accurate picture of actual expenses and income for a given time period, which allows for better calculation of net profit.