Briefly describe what are the basic attributes of consumer demand in the traditional marketing approach

In the traditional marketing approach, the basic attributes of consumer demand are:

Demand has a certain degree of volatility, sometimes strong, sometimes weak;

Demand has a certain interval of change, it will be changed from this demand to another;

Demand has an upgradability, if the product that meets the conditions is on the market, some consumers will be more willing to upgrade their consumption;

Demand has a substitutability. p>

Demand has substitutability, if a company's product has some problems, consumers will immediately look for alternative products.