What does Copyleaks Internal Database mean in the results?

Why is there an internal database result?

If there is a result titled "Copyleaks Internal Database", this is a document that has been stored in our database and contains similar content to the document you have submitted.

Only the similar content will be shown but no other details including the name or organization that submitted the document. The rest of the document will show ### to hide the private content. 

If you are part of an institution or team, the similar document may have been submitted by another student or team member. 

Below is an example of a similar Copyleaks Internal Database result.