Question: How is the rider launched airborne?
About the article "Wakeboarding", section "Riding".

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Using edging techniques, the rider can move outside of the wake or cut rapidly in toward the wake.
Jumps are performed by riding towards and up the wake and launching into the air.
This can also be done by riding up a kicker (a jump).
There is also the slider (a rail bar) in which a rider approaches and rides along keeping his balance.
Once a rider improves in the sport, he or she can progress to tricks high in the air.
As the rider edges towards the wake against the pull of the rope, the rider builds pressure against the water on the bottom of the board and gains speed and momentum toward the wake.
When the rider rides up the wake, the energy of the wake launches him airborne.
While in the air, the rider attempts to do tricks.
Tricks vary from beginner to advanced.
 Varial Flip - Consists of doing an ollie and then flicking then leading foot in the front right of the board which if done right will generate a flipping and spinning motion that will spin the board in a 180 or 360 depending on how much power was generated from the foot and transferred from the foot and will flip the board also in a side motion that will eventually make and end product of a varial flip.
Kickflip - A kickflip is when the rider after airborne from an ollie then proceeds to use the outer sole of his/her leading foot and also applied with a fast forward motion of the leading foot which should be simoultaniously timed with the side flicking motion with the leading foot, the board will flip in a sideways motion thus the rider will stop this motion and stomp the trick.
This is arguably one of the hardest tricks in skimboarding.  
  A "180" is a trick in extreme sports where a rider rotates half a turn while airborne and lands.
The maximum possible score in one turn at darts (three triple 20s).
In archery the gent's clout shooting distance is 180 yards.  
The following structure is as follows:  Headquarters  Headquarters Company  1st Infantry Battalion (Airborne)  2nd Infantry Battalion (Airborne)  3rd Infantry Battalion (Airborne)  Airborne Artillery Battalion, with two batteries of F1 120mm mortars  Airborne Logistic Support Troop  Signal Company  Engineer Company  Airborne School  
BMX flatland tricks usually involve much balance, more often than not with only one wheel in contact with the ground.
Wheelie or Catwalk: The most basic of flatland tricks, the wheelie is when the rider rides the bike on only the back wheel whilst pedaling.
Endo: Basic flatland trick where the rider uses the front brake or a curb to lift the back wheel and balance on the front tire.
Front or Back Pogos: Basic flatland trick where the rider stands on the wheel pegs (front or back), locks the wheel's brake, and hops with the other wheel in the air.
Manual: A step-up from the wheelie, the manual is essentially the same only the rider does not pedal; this makes the trick more difficult to perform as point of balance between the front and back of the bike has to be reached.
Professional riders can often do this until their bike runs out of momentum.
Pogo: The most popular advanced basic trick.
Created in the 80's, it is executed by swinging the bike to a vertical position on its rear wheel while the rider sits and hops on it to maintain balance.
Nose manual: The same concept as a manual, only performed with the back wheel in the air and the front wheel on the ground.
Bunny hop: A bunny hop is achieved when a rider jumps the bike into the air from flat ground (this can also be done close to the lip of ramp to gain more height) so that neither wheels are touching the ground.
Dork manual: When rider puts one foot on the peg, and the other foot in the air, controlling balance, and ride down the street in a manual with the foot on the peg.
Fork manual: When a rider puts one foot on the front peg and spins the handlebars around, to lift the bike up into a fakie manual, with both feet on pegs.
Footjam tailwhip: The rider jams his/her foot in the fork to start a foot jam endo then kicks the tail of the bike around.
When the tail of the bike goes 360 degrees the rider puts his/her foot back on the pedals.
An alternate trick is to jump the frame as it comes around repeatedly until the rider elects to put his/her foot back on the pedals.
Footjam: The rider jams his foot between the forks and tire, stopping the bike, and he balances with the back tire airborne.
Hang-5: when the rider does a nose manual whilst having one foot on the front axle peg and the other foot dangling, usually used to keep balance and steady.
Steamroller: An Advanced trick.
The rider stays on front peg, and sends the bike to front with his other foot, then balances on one wheel while holding the body of bike with one hand and moving at front.
Time machine: An extremely hard trick.
Rider stands on one back peg, then starts to make a manual, after balances it, changes hands on bar while manualing and grabs the front peg with his free hand.
After that, rider starts to turn at extremely high speed as like hes drawing a "O" on ground.
Indian giver: This is where the rider naturally or purposely fakies/rollouts in the opposite direction than the way of that they spun in.
This is usually easily fixed by learning how to fakie/rollout the correct way, thus making the execution and finishing look cleaner.