Substance:
(1)That which underlies all outward manifestations; the permanent subject or cause of
phenomena, whether physical or spiritual; that which is real, in distinction from that which is
apparent; the abiding part of any existence, in distinction from any accident; real or existing
essence.
(2)The most important element in any existence; the characteristic and essential components
of anything; the main part; essential import.
(3)Body; matter; material of which a thing is made; substantiality; firmness.