It's not different definitions of free will unless you're using "definition" super broadly to mean anything that talks about the subject. At the end of the para

It's not different definitions of free will unless you're using "definition" super broadly to mean anything that talks about the subject. At the end of the paragraph: >If there is such a thing as free will, it has many dimensions. In what follows, I will sketch the freedom-conferring characteristics that have attracted most of the attention