Answer:
spreading the cost of an asset over its useful life to the entity.
Step-by-step explanation:
The depreciation is a non-cash expense that should be charged over the fixed assets i.e. land, buidling, car, etc
It is an expense so the same should be shown on the debit side of the income statement
Also the cost of an asset minus the salvage value divided by the useful life could be spreaded as the depredciation expense by using straight-line method