Christina,
I gather from your comment about capture sharpening that you perhaps think all capture sharpening applies to the entire photo. Not so. There is generally no need to apply sharpening to areas that are out of focus and doing so can often partially defeat the purpose of using a blurred background. Applying sharpening to clear blue skies can also be problematic, especially when viewing the electronic file on a large television.
When thinking of capture sharpening, it's important for you to understand whether you are using in-camera sharpening and whether you are eliminating it during post-processing before adding sharpening during post-processing. While you remain in this part of your learning curve, it might be helpful to explain that in your posts that discuss sharpening.
As an example, I use very high in-camera sharpening. Doing so allows me to critique sharpness in my camera's LCD. My very first step during post-processing is to remove all in-camera sharpening. That's for two reasons: The camera applies sharpening to all areas of the image and I may want the sharpening to be applied only to part of it. I prefer to start from a base of no sharpening when using my post-processing software.