It means the root of the chord is the lowest note being played. If it's a C-major chord, the C is on the bottom.
A chord has two notes, a triad had three notes, and an arpeggio has four notes.
If you're just playing the notes in order while you're making a chord, you're "strumming". If you're playing two or more notes within a chord configuration, you're playing a "triad".
The triad inversions chart provides information on different ways to rearrange the notes of a triad chord, showing the different positions in which the notes can be played.
triad
A c# e
A triad
The D Major triad consists of the notes D F# and A. In root position, the notes would be placed in that order on the staff with D as the bottom note. This would either be in the first space below the staff or on the fourth line of the staff.
a triad is a group of three notes.
It's a triad.
Triad.
C,e,g
An E augmented triad consists of the notes E, G, and B. The structure of the triad is a root note (E), a major third above the root (G), and an augmented fifth above the root (B).