Amortization is the process of gradually writing off the initial cost of an asset over a set period. It is often used in accounting to allocate the cost of intangible assets such as patents or goodwill.
Depreciation: The process of allocating the cost of tangible fixed assets over their useful lives.
Intangible Assets: Non-physical assets such as patents, trademarks, and goodwill that have value to a business.
Straight-Line Method: A method of calculating amortization or depreciation by evenly spreading the cost over its useful life.