A student reads an old photo in front of the classA student reads an old photo in front of the class
A famous scientist at the blackboard with formulasA famous scientist at the blackboard with formulas
A group of children from the movie the wizard of ozA group of children from the movie The Wizard of Oz
То, что образовалось из чего-н.. Обучение, просвещение. Совокупность знаний, полученных специальным обучением.