[Abo symbols](https://www.aboriginalartstore.com.au/aboriginal-art-culture/aboriginal-symbols-glossary/) Their entire vocabulary consists of less than seventy symbols. Most are contradictory, circle symbol can mean a campsite, waterhole or just a regular hole, pretty disappointing if you were thirsty. Lines can mean snakes, clouds, sand, lightning, or pretty much anything. Toki Pona, a constructed language for children consists of 127 words in its vocabulary by comparison and can be learned in 30hrs.