boondoggle is a scheme intended to fool (i.e. bamboozle, hornswoggle, hoodwink - other words you may have heard which are very similar in meaning) people into believing that all is well, that a dire situation is in fact under control. In this vein, the term government boondoggle is rather redundant.
If you are a visual learner, you learn by reading or seeing pictures. You understand and remember things by sight. You can picture what you are learning in your head, and you learn best by using methods that are primarily visual. You like to see what you are learning.
Harry Potter Trivia: Hogwarts and Academia. ***If your in learn mode, click on term first*** These questions are from The Book of Harry Potter Trifles, Trivias, and Particularities by Racheline Maltese. Next to some answers you may see something resembling this: (COS, C5).