Let’s play a game
I explain to you
The word I mean
For you to guess

First explanation:
An American band
Playing songs like
“Can I dream?” Or
“Lunar Attack”

Then, the second:
A company,
Mainly in Germany,
Excels in
Technology
Creativity

Last, the third:
Used in astrology
Used to describe
Constellations
And conjunctions

What do I mean?