Comments:Comments are annotations within source code that programmers write for themselves or others working on the code. They explain what certain parts of the code do or provide additional context.
Version Control System (VCS): A version control system is software used by developers to track changes made to source code over time. It helps manage different versions of files and enables collaboration among team members.
Troubleshooting: Troubleshooting is the process of identifying and resolving problems or issues that occur in a software program. It involves diagnosing the cause of the problem and implementing solutions.