from a womans perspective--
my bf starts by slowly playing with my clit. As I get more turned on he will take one finger and slowly rub the outside of my pussy. This makes me get the "Oh god I'm gonna cum" feeling, but then he slows down to make that feeling last a really long time.
He then pushes two or three more fingers inside me and slowly strokes my gspot until it starts to swell. Then he does the "come here" motion while simultaneously sucking my clit. As my gspot gets more swollen and I get closer to climax, he switches from paying more attention to my clit to stroking my gspot more.
As my legs start to twitch because it feels so good he really gets after my gspot by doing the "come here" motion considerably harder.
Then he gently pushes on the outside of my lower stomach with his other hand to reach my gspot better. Then, after a few seconds of stroking my gspot I get the most intense orgasm ever and this sort of "release" and I look down and notice a big wet spot on the bed, as well as cum all over his arm.
And that's how it's done.
Basically, the longer you can make your woman feel like she's going to orgasm w/o actually doing it, the bigger orgasm she will have when she actually does. At least that's how it works for me.
Sorry so long, but I figured you guys wanted a womans perspective.