

Поезд идёт на восток.
The train is going east.
Ты знаешь, где восток?
Do you know which way is east?
Мой брат уехал на восток.
My brother went east.
"восток" is in the lesson "Directions" (Level 19), along with 12 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.