Final answer:
Code review is a process where one developer explains their code to another developer in the security tools domain. It helps identify and fix security vulnerabilities in the code.
Step-by-step explanation:
In Security Tools, code review is a process where one developer explains their code to another developer. It is a crucial step to identify and fix any security vulnerabilities or bugs in the code. Through code review, developers can ensure that the code follows best practices, is secure, and meets the required standards.