When a tester executes the test cases, he might come across the test result which is contradictory to expected result. This variation in the test result is referred as a defect. These defects or variation are referred by different names in a different organization likeissues, problem, bug or incidents.

While reporting the bug to developer, your Bug Report should contain the following information

• Defect_ID - Unique identification number for the defect.
• Defect Description - Detailed description of the defect including information about the module in which defect was found.
• Version - Version of the application in which defect was found.
• Steps - Detailed steps along with screenshots with which the developer can reproduce the defects.
• Date Raised - Date when the defect is raised
• Reference-  where in you Provide reference to the documents like . requirements, design, architecture or may be even screenshots of the error   to help understand the defect
• Detected By - Name/ID of the tester who raised the defect
• Status - Status of the defect , more on this later
• Fixed by - Name/ID of the developer who fixed it
• Date Closed - Date when the defect is closed
• Severity which describes the impact of the defect on the application
• Priority which is related to defect fixing urgency. Severity Priority could be High/Medium/Low based on the impact urgency at which the defect should be fixed respectively