Role of Bug tracking system,

1) We can raise a defect

2) It will act as a centralized one for defects

3) Changes to the Status will be intimated to all team members through email

4) Contains Single format, so no question of deviations from person to person
while reporting a bug

5) Can Searching for defects

6) Can finding duplicates

7) Prepare status reports

8) Can attach files

Please correct me if I am wrong