Meeting agreements: when you plan something with Indonesian you should know that “tomorrow” (“besok”) doesn’t have exactly the same meaning than ours. If Indonesian says “Besok kita makan bersama” – it can mean “We eat together tomorrow” or “We eat together in 2 or 3 days” and etc. depends on the context. The same with “yesterday” (“kemarin”) it can mean “yesterday”, “the day before yesterday”,”one week ago” and etc.