Finns don't use that actual phrase, but well, in Finnish it's "Tarkoitat minulle maailmaa". Other phrases for that meaning are for example "Olet koko elämäni" (= You are my whole life) and...
Lehto means "Grove".
Lakala doesn't mean anything, but Lakkala does. Lakka means cloudberry, and Lakkala means a place with cloudberries.
Liha means meat in Finnish.
Ville doesn't mean anything in Finnish, it's a name. In Swedish "ville" is an imperfect of "vill", and "vill" means "want".