Let's quickly review the areas of the clitoral network that are going to command our attention, as well as the types of stimulation to which they're best suited. (This is a great time to refer back to the diagrams of the clitoral network in Part I and use them as a visual reference.) Don't get overwhelmed by the numerous the parts of the clitoris. It may seem like a lot to take in at first, but a little effort goes a long, long way. Trust me: as we go through the various techniques, the “geography of arousal” will become second nature and you'll know a “frenulum” from a “front commissure” in no time. And take heart: simply knowing “what's what” in the clitoral network already places you at the head of the class. 
1. Glans (visible), also known as the head or crown and colloquially as the clit, the button, the jewel, etc. With more than eight thousand nerve endings dedicated to pleasure, the glans lends truth to the phrase “big things come in small packages.” So sensitive is the glans to stimulation that a hood, also known as the prepuce, protects it during peak stimulation. Both the clitoral head and its protective hood respond to gentle, rhythmic tongue strokes as well as firmer pressure once she's well into the process of arousal. 25 A Quick Refresher of the Top Ten
2. Clitoral cluster (hidden) includes what is typically referred to as the G-spot, but to call this sensitive expanse a spot is a misnomer. Located atop the vaginal ceiling—starting at the vaginal entrance and extending into the birth canal for roughly two inches—this area of spongy tissue surrounds the urethra and responds well to the firm pressure of a fingertip massage. Rather than focus on finding a spot, focus on stimulating an area. Hot Spots in the Clitoral Network
3. Mons pubis (external), or the pubic mound, is located just above the clitoral cluster. Massaging the mons pubis with the base of your palm stimulates the clitoral cluster from above. Think of the clitoral cluster as an unseen layer of nerve endings that is sandwiched between the mons pubis and the vaginal canal—hence your ability to stimulate it from above and below.
4. Front commissure (external). The smooth area just above the clitoral head and protective hood, this area contains nerve fibers and covers the clitoral shaft (internal), a sensitive cordlike structure that can be seen protruding from the skin of the front commissure when aroused. Like the clitoral head, the front commissure/ shaft responds at first to tongue strokes, but, once aroused, craves the firmer pressure of the upper lip and gum, or a fingertip massage.
5. Frenulum (external) is the area just below the clitoral head where the tops of labia minora (the inner lips) meet. This sensitive area responds to tongue strokes as well as firm pressure. Like the glans and front commissure/shaft, the frenulum plays an important role in sexual response. In fact, taken together, these three visible parts of the clitoris are responsible for the lion's share of pleasure. 
6. Labia minora (external), also known as the little lips or the inner lips, they swell to nearly double their size when engorged with blood during arousal and respond best to tongue strokes, gentle nibbles, and playful fingertip pinches.
7. Vaginal entrance (external) contains the remnants of the hymen and, when amply aroused and lubricated, responds best to slow, long licks and gentle fingertip tickles.
8. Fourchette (external) is the area located at the base of the vaginal entrance where the bottoms of the labia minora converge, and responds best to tongue strokes and gentle fingertip tickles that just graze the vaginal entrance.
9. Perineum (external) is the expanse of skin between the fourchette and anus and is filled with spongy erectile tissue that connects the anus to the clitoral network and lines the base of the vagina. This area responds well to tongue strokes, fingertip pressure, and fingertip squeezes (thumb and index finger) that stimulate it from both sides (internal and external).
10. Anus (external). Lined with tissue and muscle that connects it to the clitoral network, the anus participates in the process of sexual response and, like the pelvic muscles, contracts repeatedly during orgasm. This area responds well to fingertip pressure, fingertip insertion, and tongue strokes, but also contains bacteria that should be prevented from commingling with other parts of the vulva.
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