You can't understand that your truth may not be my truth, but we can share facts that are demonstrable.
\ ˈtrüth \
plural truths\ ˈtrüthz , ˈtrüths \
Definition of truth (Entry 1 of 2)
1a(1): the body of real things, events, and facts : ACTUALITY
(2): the state of being the case : FACT
(3)often capitalized : a transcendent fundamental or spiritual reality
b: a judgment, proposition, or idea that is true or accepted as true
truths of thermodynamics
c: the body of true statements and propositions
2a: the property (as of a statement) of being in accord with fact or reality
bchiefly British : TRUE sense 2
c: fidelity to an original or to a standard
3a: sincerity in action, character, and utterance
barchaic : FIDELITY, CONSTANCY
4 Christian Science : GOD