dAndrea Guitar Care Kit Deluxe

ordered this kit, the description under tells me there is a

Guitar polish
Fingerboard care (lemon oil)
String cleaner
Polishing cloth

the cloth I can kinda guess, but what are the rest, the text on the bottles are in german, there is no manual with the kit, there is no description of what does what, as a new beginner I have little to no idea what does what, I just know it's a good idea to take care of your instrument, but even if you can read German there are NO description of what the different bottles do,

the Fingerboard care (lemon oil) is called (I'm guessing here) zitronenölreininger with translates to something like lemon cleaning oil, so is it a "care" or a "cleaning" oil?? do I "clean "my and again I'm guessing here fretboard with this or is it an after"care" to protect the neck?? and the 2 other bottles is the same,

I won't risk damaging for me expensive bass, I'm throwing this out, and my advice, if you are not sure EXACTLY what to do, go get something accompanied with an explanation in your local instrument dealer