Acceleration, in simplified terms, refers to the process of expediting or speeding up the occurrence or fulfillment of an event, obligation, or agreement. It involves the advancement of a timeline or the immediate enforcement of certain provisions or conditions. In legal and contractual contexts, acceleration often refers to the triggering of a clause or provision that allows for the immediate maturity or payment of a debt, the termination of an agreement, or the demand for performance. For example, if a borrower fails to make timely payments on a loan, the lender may have the right to accelerate the loan, making the entire remaining balance due immediately.