What is the difference between verification and validation in software development?

$1-$ Verification focuses on testing individual components, while validation focuses on testing the entire system.

$2-$ Verification ensures that software meets the user's needs, while validation ensures that software correctly implements a specific function.

$3-$ Verification ensures that software correctly implements a specific function, while validation ensures that the software meets the user's needs.

$4-$ Verification and validation are the same thing in software development.