What is good bug? and explain the characteristics of good bug?

What is good bug? and explain the characteristics of good bug?

Hello

I like to highlights some points are

  1. step to produce
  2. Re-produce
  3. Valid bug such as not relate to third party control
  4. Related to our application
  5. Impact in our application
  6. visible
  7. It is very good if scree shot exist to show proof as bug exist.

Best regards