A "trade name" is the name under which a company conducts business, or by which its business, products, services are identified. It may or may not be registered as a trademark. An example of a trade name is Kleenex, which identifies a brand of tissues. See www.uspto.gov.
"Earnings before interest, taxes, depreciation and amortization" or "EBITDA" is a financial measure of a company defined as its revenues less cost of goods sold and selling, general and administrative expenses, but before the deduction of interest, income taxes, depreciation and amortization.