As stated above, the product life cycle consists of four stages: introduction, growth, maturity, and decline. Figure A illustrates the product life cycle. Determination of a product's stage in its life cycle is not based on age, but on the relationship of sales, costs, profits, and number of competitors.
Proclaim is defined as to announce or declare. An example of to proclaim is to announce that a fight is over. 1  to announce officially; announce to be.
pro forma invoice. An abridged or estimated invoice sent by a seller to a buyer in advance of a shipment or delivery of goods. It notes the kind and quantity of goods, their value, and other important information such as weight and transportation charges.