Craftsmen manufacturing new violins in factory

The video tutorial discusses different levels of quality, starting with 'pretty good', moving to 'very good', and briefly mentioning a second level.

What does the phrase 'Pretty good' imply about the subject being discussed?

In what situations might someone use the phrase 'Pretty good'?

How does the statement 'Is very good' differ in meaning from 'Pretty good'?

Discuss the implications of using 'Is very good' in a conversation.

What could the term '2nd' refer to in a broader context?