Learn Swedish: Jag tar med boken. - I am bringing the book.

Yes, tar usually means "take", and med means "with". Swedish often combines a verb and a small word (a particle) to create a new meaning. So, tar med literally translates to "take with", which is the standard Swedish way to express "bring".

Why does the translation say "am bringing" when Swedish only uses the single verb tar?

Swedish does not have an "am doing" (continuous) tense like English. The single present tense verb tar covers both "bring" and "am bringing". You just rely on the context to know which one sounds better in English.

How do we know boken means "the book" and not just "book"?

In English, "the" is a separate word. In Swedish, you usually attach it to the end of the noun. The word for "a book" is en bok. To say "the book", you add that -en to the end, giving you boken.

Which word should I emphasize when I say tar med boken out loud?

When a verb and a small word group together to make a new meaning (like tar med), Swedish speakers almost always put the stress on that small word. You should emphasize med, making it sound like "Jag tar MED boken."