Why we use Metrics for software?

Why we use Metrics for software?

Metrics for software quality
The most important objective of any engineering activity is to produce high quality product with limited
resources and time. The quality of the product cannot be determined if it is be measured.
The quality of the end result depends upon the quality of the intermediate work products. If the requirements,
design, code, and testing functions are of high quality, then the chances are that the end product will also be
of good quality. So, a good software engineer would adopt mechanisms to measure the quality of the analysis
and design models, the source code, and the test cases.