Definitions for "Overheads"
See Overhead Costs
(GB) or overhead (US) - the various expenses of operating a business that can't be charged to any one product, process or department.
Business expenses and other indirect costs for a business, such as rent or research. This value is not attributable directly to any department or product and can therefore be assigned only arbitrarily.
The doctype keyword that you use to create pages with large, bold text that copies well and is easy to see. From these you make slides for either overhead projectors or 35mm projectors.