Functional



adjective
1.
(of a function, affecting a ruction of some organ) functional style ដែលសំដៅទៅតែការមានប្រយោជន៍, machines is not functional ដែលដើរបាន
ENGLISH MEANING
adjective
1.
Pertaining to, or connected with, a function or duty; official.
2.
Pertaining to the function of an organ or part, or to the functions in general.