Chapter Two, The Breath, discusses breathing, breath support, relaxation, air compression, blowing exercises, the diaphragm, the lungs, inhaling and exhaling air, circular breathing, the relaxed throat, the glottis, warm-up exercises and excessive tension.
Really low sagging, like practically with your pants at your kneecaps is not in style right now, but sagging to show a little underwear, or the more PC term low rise is still in. Sagging is purely a thug influenced thing, dudes do this look like wannabe thugs that lost their belts in prison. I won't even lie.
Plain front-This means the front of the pants are flat. Dress pants and slacks have creases down the leg but they usually start at mid thigh. This is a modern style and creates a nice straight line. Should not be worn by guys who are bit heavier set or have huge thighs. But if flat front is what you like and you are heavier set or have big thighs go with a relaxed fit.