It Takes about a month to fully experience the resort. So let's focus what is important to YOU to improve your visit for the few days you're there.
This is the problem you will have when you visit the Disneyland resort: you simply cannot visit the entire resort in a single day or even a week. The problem doubles especially if you have a park hopper ticket. Now you have a choice of going to Disneyland or California Adventure.
On top of that, there's Downtown Disney with some great restaurants and shopping galore calling for your attention.