Flawless means without faults
The authors purpose suggested by the text is explain how to use the guitar because it's not trying to convince you to buy a guitar and it isn't teaching you about all the parts on the guitar just how to tune the strings. Hope you found this helpful!
This is not always true. Planned action such as a premeditated murder has a negative consequence. While, on the other hand, a planned action such as doing your homework first thing when you get home, can have a positive consequence such as having more free time to do what you wish.
Nothing differs because the passages are not disclosed
