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Yeah, it's all theory until you see it in motion...then it's kinda wow-ish.
Used to co-pilot Beechcraft turboprops, so I had to do the preflight. The engine nacelles hung out ahead of the wing, and the props would occasionally puke a few drops of dirty oil that would then contour to the prevailing airflow. The airflow ahead of the wing seemed about 10-15 deg upward--so the air "knew" the low-pressure upper wing was coming, and started heading that way--even though we were usually moving > 200 mph through the air.
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