Barre chord
fret 3, A shapex35533
Csus2 is the C suspended 2 chord. Its notes are C, D and G. The second replaces the third. Alternate with the major chord for gentle movement.
x35533
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every C, D and G on the first 12 frets. The filled dots are the root, C. Build your own shape from any nearby group.
Other C chords
Other suspended 2 chords