Knowledge and Understanding of Bosnian Language and Culture
Language system
You need secure control of the grammatical core: sedam padeža (nominative, genitive, dative, accusative, vocative, instrumental, locative), rod i broj (gender and number), glagolski vid (aspect), and glagolska vremena (present, perfect, future, aorist, imperfect - the last two mainly in literary use). Know when the accusative equals the nominative (inanimate masculine) and when it equals the genitive (animate masculine).
Spelling and script
Bosnian is written in both Latin and Cyrillic scripts; both are official. Watch the fonetska pravila: s + h often becomes s (s + hljeb → shljeb is not standard, but assimilation such as iz + tog → iz tog versus istog matters), and n before b or p becomes m (stan + beni → stambeni).
Culture
Bosnian cultural literacy includes sevdalinka (urban love song), sarajevski duh and the mahala as social space, the stećci (medieval tombstones, UNESCO-listed), and the tradition of kafa as hospitality ritual. Literature: oral epic poetry, and writers such as Ivo Andrić (Nobel laureate, 1961) and Mak Dizdar. Language history: the Deklaracija o zajedničkom jeziku (2017) reflects ongoing debate about language naming.
Traps
Assuming Bosnian, Croatian, Serbian, and Montenegrin are mutually unintelligible - they are largely mutually intelligible standards. Confusing ijekavica and ekavica (mlijeko vs. mleko). Treating Cyrillic as foreign to Bosnian.
Rule of thumb
When unsure of a case, ask: which preposition governs it, and is the noun the direct object of the verb? That resolves most accusative/genitive confusion.