________ is sometimes referred to as the science of being and belongs to the major branch of philosophy known as metaphysics.

There are ________ central characteristics of reference ontologies (ROs).

PLC stands ______________.

_______ is an assumption that every product goes through that involves the same pattern of introduction into the market, growth, maturity, and decline.

The product is losing market share, or becoming obsolete. It is well past its point of highest demand, and the demand decreases.

The new product is introduced; this is when all of the research and development happens.

The product is more than an idea or a prototype. At this stage, the product is manufactured, marketed, and released. Distribution increases, demand increases, and competition also increases.

During this stage, the product is widely available, and there are many competitors in the marketplace. You market the product to different segments, but more spending on advertising will have no impact on its demand.

A __________ is a natural extension of PLM, and creates a truly full life cycle that takes your obsolete or used products back into raw materials, not just assigning them to waste.