A tiny piece of paper with hidden notes used to cheat on an exam without the teacher noticing. It's the Mexican version of a cheat sheet, a survival tool for the unprepared student.

A peso or coin in Mexico, the smallest unit of everyday money. Every baro counts when you're short on cash and need to scrounge coin by coin for bus fare or corner tacos.

Glasses or spectacles for correcting vision or protecting from the sun in Mexico and other countries. The ones you put on to see the world in HD or to look cool when the sun's out — essential in daily life.

To do your homework, to complete the school assignments given to you for home. It is the activity every kid in Latin America dreaded, the thing standing between you and playing outside. "Hacer la tarea" defines the afternoons of millions of students across the Spanish speaking world.