An audio commentary is an additional audio track, usually digital, consisting of a lecture or comments by one or more speakers, that plays in real time with a video. Commentaries can be serious or entertaining in nature, and can add information which otherwise would not be disclosed to audience members.[1]
In accounting terms, operating expenses, or OE, and cost of goods sold, or COGS, are both considered expense accounts. In short, they measure different ways in which resources are spent in the process of running a business.
Definition of Cost of Goods Sold. The cost of goods sold (COGS) is any direct cost related to the production of goods that are sold or the cost of inventory you acquire to sell to consumers. It does not include overhead expenses related to the general operation of the business, such as rent.