The gingival sulcus is an area of potential space between a tooth and the surrounding gingival tissue and is lined by sulcular epithelium. The depth of the sulcus (Latin for groove) is bounded by two entities: apically by the gingival fibers of the connective tissue attachment and coronally by the free gingival margin.
The term gross refers to the total amount made as a result of some activity. It can refer to things such as total profit or total sales. Net (or Nett) refers to the amount left over after all deductions are made. Once the net value is attained, nothing further is subtracted.
Gross proceeds of sales means the value proceeding or accruing from the sale of tangible personal property, digital goods, digital codes, digital automated services, and/or for other services rendered, without any deduction on account of the cost of property sold, the cost of materials used, labor costs, interest, discount paid, delivery costs, ...