Technique is a the material of a work of art.
involves the use of more than one medium in a work of art.
с a way in which an artist creates a work of art.
a the meaning of symbols and images in a piece of work

c, d, e, f, g, a, b, and c.

sometimes western music will also use solfege. the names of these are do ra me fa sol la si (or ti) and do.

to indicate a note a half step higher or lower then the original note, you would say c # (for a half a step above c) or bb (for half a step below b)