In entries to record the movement of material, labor, and overhead through the operation of a company, the credit is the destination and the debit is the source.

Material

Substantial or significant; in accounting, referring to an amount that would influence the decision of an informed user.

Labor

The human effort (physical or mental) contributed to the production of goods and services.

Overhead

Overhead refers to the indirect costs associated with running a business, such as rent, utilities, and administrative expenses, that are not directly tied to the production of goods or services.