Solution

Size Oriented Metrics - It has been derived by normalising quality and productivity Point Metrics measures by considering size of the software that has been produced. The organization builds a simple record of size measure for the software projects.

Function-Oriented Metrics - They are also known as Function Point Model. This model generally focuses on the functionality of the software application being delivered. These methods are actually independent of the programming language that is being used in software applications and based on calculating the Function Point (FP). A function point is a unit of measurement that measures the business functionality provided by the business product.