Hello Sreinmann, I see that you didn't receive an answer on your remark about the hashed lines and the full lines.
You gave the answer yourself in the next post though.
The full line is the cutting line, the edge of the part, the hashed line as you call it, follows the same contour with an offset, it is meant as a mark to where you should bevel your part.
PS : English isn't my native language either, so I'm not sure if what I write even makes sence
