To land a tricycle gear airplane on a runway is not very difficult. You just place it in the correct slightly nose up attitude and keep it straight while the main gear settle onto the runway, and then you gently lower the nose. The difficult part is to arrive at the beginning of the runway at a speed such that when you raise the nose the appropriate amount the airplane neither stalls abruptly nor balloons into the air, and to arrive there at an altitude such that the airplane contacts it at just the same moment the wings stop flying. Also the airplane needs to be configured for landing. At minimum, landing configuration should include wheels.
My airplane has a maximum speed at which I can extend the landing gear and three different maximum speeds for extension of different amounts of flaps. In a normal landing I should have the gear and all the flaps down, the final stage of flaps coming perhaps a couple of hundred feet above the runway. In order to have the speed required for that, I aim to be at the speed for the second stage of flaps by 1000' above touchdown, and that's also a good point for me to have the gear down. In order to reach gear speed it helps to have the first stage of flaps extended, usually five miles out, or mid downwind. Until then I can fly any speed I want, so long as I stay below 200 kts in the control zone, or slower if the control zone has its own speed limit. Plus I need to be out of the yellow arc if there is a risk of turbulence. Let's call that by 10,000'. And so on, continuing to work backwards until I'm leaving FL190 and deciding whether to push the nose down for a drag-increasing 2000' fpm descent or leave it gently trimmed for a 400 fpm let down. You learn in initial flight training about the relationship between airspeed and drag: the latter increases with the square of the former, so if I want to arrive at a point in space with less energy, both gravitational potential (i.e. altitude) and kinetic (i.e. airspeed) I need to push my nose down and go faster.
I'm landing today at a larger international airport, but they only have one of their runways open: construction, FOD cleanup or something, so everyone including me is heading for the same runway. I'm asked to maintain 160 knots. Not a problem on the descent, but as I get closer I want to bring the power back on my engines to cool them gradually and I ask the controller if he still needs the speed. He most emphatically does. I have to increase power to hold it. And I'm also above my maximum gear and flap extension speeds.
Remember that the aircraft is designed to fly efficiently through the air. Even if I slam the throttles to idle, which I'm not going to do, because I have to depend on these cylinders not cracking from shock cooling, the airplane will take time and space to slow down. Getting flaps and gear down adds drag, but I have to slow down to be allowed to do that. I'm finally permitted to slow down, so I pull the nose up to slow down until I have approach flap speed. This makes me climb, but they don't mind that. As soon as I add approach flaps that increases drag, and increases the amount of nose down that gives me the same speed, so I can put the nose down while still slowing down and as soon as I have gear down goes the gear, still slowing so I can add more flaps, put the props ahead and on the runway nice and slow, so I can exit at the first available taxiway.
Phew, not how the flight instructor taught it, but still using what I learned (and taught) back in flight school.