Application control refers to the practice that looks in the security issues that lingers over the data. It helps in restricting or blocking the applications that are unauthorized to become a threat to data security. When the data is transferred or shared among different applications, the application control helps in performing the function of a safeguard.
Income elasticity of demand is a measure of how the demand for a good or service change when people's income changes. It the ratio of the percentage change in quantity demanded to the percentage change in income.