Third-generation managers take a significant step forward. They clarify their values and set goals. They plan each day and prioritize their activities.
As I have said, this is where most of the time management field is today. But this third generation has some critical limitations. ...
The 7 Habits of Highly Effective People
I don't quite get the meaning/grammar of the sentence, especially the use of 'where'.
Can anyone help to explain the meaning and grammar of it?