Learn Swedish: Den dolda symbolen visar vad andevärlden vill berätta. - The hidden symbol shows what the spirit world wants to tell.

Here, vad translates to 'what' or 'that which'. It acts as an independent relative pronoun, meaning it doesn't refer back to a specific noun earlier in the sentence. Instead, it introduces the entire clause about the message the spirit world wants to communicate, acting as the object of the verb berätta.

Why does 'symbol' have the -en ending if we already used Den for 'the'?

This is the classic Swedish 'double definite' rule. When a specific, definite noun has an adjective attached to it, you must use the freestanding article (Den), the definite ending on the adjective (dolda), and the definite suffix on the noun itself (symbolen).

Why is there no att (to) between vill and berätta?

In Swedish, vill (wants) acts as a modal verb. Just like you don't use 'to' after modal verbs like 'can' or 'must' in English, Swedish modal verbs are followed directly by the infinitive of the main verb without using att.

Could I use säga instead of berätta for 'tell' here?

Berätta means 'to narrate', 'to recount', or 'to share a message', which fits perfectly for a symbol revealing a deeper meaning. Säga just means 'to say', which sounds a bit too literal, as if the symbol or spirit world were physically speaking words aloud.