Also see definition of "Principles" in Word Study
Principles
PRINCIPLES [isbe]
PRINCIPLES - prin'-si-p'-lz: Found twice (Heb 5:12; 6:1). The Greek word (stoicheion) is also translated in the King James Version as "elements" and "rudiments." As rendered in He, its meaning is clearly related to the elementary knowledge of Christian truth or doctrine.See ELEMENTS; RUDIMENTS.
Also see definition of "Principles" in Word Study