In G major, starting on G, we get G, B and D to make a G Major chord. This gives us a triad, which is a three-note chord comprising the root, third and fifth notes of the scale.

BASS EXPO 2013: Here Ben Jones, one of The Institute's bass faculty, teaches you the first position of the C Major scale - one of the essential building blocks of bass playing. Nail this position and ...

This C#m11 has the root (C#) at the bottom, so it isn’t a slash chord. However, if we look at the two lowest notes, C# and E, we have the root and b3rd, which set this up as some kind of C# minor.