This movie poster is a good example of the use of constrained visual language. The poster is a black and white image of a shirt and a tie with some red dot on the shirt as the blood cleanly send the message of fighting.
Unschooling is like surfing - you look for waves, you wait for waves and then you catch them - you surf them. Just caught the wave of reading about South America in Spanish. I like the thought of 'unschooling'.