The arguments (implicitly) passed to the method

TheApply may be a partially applied method:

def f(x1: Int)(x2: Int) = ???f(1)(2)

• args is(2) in theApply off(1)(2)
• args is(1) in theApply off(1)

Thefun part of an (implicit) application likefun(args)

It may be a partially applied method:

def f(x1: Int)(x2: Int) = ???f(1)(2)

• fun isf(1) in theApply off(1)(2)
• fun isf in theApply off(1)