What do you mean by 'New' and 'Mitigated' entities?

What do you mean by 'New' and 'Mitigated' entities?

'New' entities

NVADR is a platform that performs continuous analysis to discover assets, data leaks and vulnerabilities. The new filter will list the most recently discovered assets, data leaks or vulnerabilities. The user can apply other filters displayed on the left of each page simultaneously.

'Mitigated'/ ‘Not Found’ entities

Since the last scan, the total number of inactive/ mitigated asset, data leaks or vulnerabilities discovered in the previous scans but not in the latest scans.