Learn Hardcore Korean: sonjeondeunggwa nachimbaneul kkok gajyeowa. - Be sure to bring the flashlight and compass.

Breakdown of sonjeondeunggwa nachimbaneul kkok gajyeowa.

What does -과 mean in 손전등과?

-과 means and when it connects nouns.

So 손전등과 나침반 means a flashlight and a compass.

A simple way to see the structure is:

Why is the object marker only on 나침반을?

Because the whole phrase 손전등과 나침반 is treated as one object, and Korean usually puts the case particle on the last noun in the joined phrase.

So:

This is the normal pattern. English learners often expect each noun to get its own marker, but Korean usually does not do that here.

When do I use 과 and when do I use 와?

Use them based on whether the noun before them ends in a consonant or a vowel:

Here, 손전등 ends in the consonant sound ㅇ, so it becomes 손전등과.

Example:

What exactly does 꼭 mean here?