The purpose of a product is the reason it was created or designed, while the purpose it serves is the function or benefit it provides to the user.
Assuming the subject is magnetic declination the difference between the north pole and the true north pole this difference, is the magnetic declination, there is not information on what purpose it serves.
A market pull product is basically a product the serves a purpose for other products.
When we change products, it is referred to as product substitution or product replacement. This involves replacing one product with another that serves a similar purpose or function.
No object serves no purpose, though objects serve a purpose when they are needed. An object that serves no purpose is one that is not needed at the time. Synonyms for something that serves no purpose are superfluous, unnecessary, needless, or excrescent.
A sealing ring is a ring that is used to prevent leaks in pipes. A gasket serves the same purpose as a sealing ring, but can also keep in gas.
No object serves no purpose, though objects serve a purpose when they are needed. An object that serves no purpose is one that is not needed at the time. Synonyms for something that serves no purpose are superfluous, unnecessary, needless, or excrescent.
consultation
A product can be a good substitute for another if it serves the same purpose, has similar features, and offers a comparable level of quality and value to the consumer.
The difference between functional and dysfunctional conflict is that functional serves a purpose in the organization such as the interest and dysfunctional serves no purpose but to threaten the organization.
Jewelry A pit bull loves the people it serves..
The purpose of consumer market research is to determine how consumers view a product or brand. With the results of consumer market research, a company can make better business decisions.
No object serves no purpose, though objects serve a purpose when they are needed. An object that serves no purpose is one that is not needed at the time; however, there would come a time when it did serve a purpose.Synonyms for something that serves no purpose are superfluous, unnecessary, needless, or excrescent.