If by the word you are referring to the scriptures contained in the Bible. It is the revealed will and testament of the Eternal Almighty The Testator.
Anyone can read a "will", but only the named heirs can benefit under the terms of a will. Nobody has the right or power to write themselves into a will. It is the sovereign right and duty of the testator to name his beneficiaries. Denominations and cults convince people that they have been written into the will of the Eternal, but they never, ever benefit, because their names are not written in the Lambs Book of Life.
A few translations:
For a testament is of force after men are dead: otherwise it is of no strength at all while the testator liveth.
because a will is in force only when somebody has died; it never takes effect while the one who made it is living.
For a covenant is valid only when men are dead, for it is never in force while the one who made it lives.
For a covenant over dead victims is stedfast, since it is no force at all when the covenant-victim liveth,
I believe that you have said here the scriptures, the will and testament of God, and the covenants of God.