When should you use var and when should you use vart?
Both mean where, but more specifically:
Var = Where
Vart= Where to
Var = used with a verb that indicates location
Vart = used with a verb that indicates movement
Examples of verbs that are used with each of them:
Var = är, ligger, står, sitter, bor
Vart = springer, går, åker, flyger
Examples of sentences:
Var bor du? - Where do you live?
Vart springer du? - Where are you running to?
Var sitter kvinnan? - Where is the woman sitting?
Vart springer barnet? - Where is the child running to?