a, o, e, f, n, c, m, r are letters that make 'frame of reference'
ER, RAM, AM, re, ref, en, refer, CE, frame, reference, ram, RA, ME, NC, Ra, Re, Ram, Am, Ce, Er, Fr, Fe are words within 'frame of reference'
2 possible definitions for 'frame of reference'
Under this definition, frame of reference is a noun and has the following properties:
coordinate system, reference system, reference frame have the same meaning as 'frame of reference'
'frame of reference' can be a type of organization, arrangement, system, organisation.
Cartesian coordinate system, inertial reference frame, inertial frame, space-time, space-time continuum are types of 'frame of reference'.
coordinate axis is a part of frame of reference.
Under this definition, frame of reference is a noun and has the following properties:
frame has the same meaning as frame of reference
'frame of reference' can be a type of system, system of rules.
vocabulary is a type of frame of reference.