What does the phrase,
"I need to be with myself and center..."
mean? It's part of the lyrics of Fergie's Big Girls Don't Cry.
She needs to center herself.
Expression meaning to focus
Example from a course in self healing: http://healingcurrents.blogspot.com/2010/03/what-does-it-mean-to-center-oneself.html
I think you're confused probably because you are expecting a list of things, therefore you might think that center is a noun in this phrase, which is wrong.
All you need to do is to realize that center is a verb in this case and thus the phrase can be formed as:
Then, all should be pretty clear.