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.
assert, declare, affirm, protest, avow mean to state positively usually in anticipation of denial or objection. assert implies stating confidently without need for proof or regard for evidence. asserted that modern music is just noise; declare stresses open or public statement. declared her support for the candidate