DAST vs BLA (business logic assessment) vs WebApp Pentest

I am trying to get a better understanding between all 3 (they seem similar). Here is what I understand so far, please tell me if I am wrong?

`DAST` \- automated scan of your running/live application. Looking for vulnerabilities (not limited to) owasp top 10

`BLA` \- manual scan of your running/live application. Not necessarily for owasp top 10 but looking for flaws regarding how the application works. Tries to use your own website function against you.

`WebApp Pentest` \- …

assessment business cybersecurity dast logic pentest vs webapp