Difference between Valedictory Address and Valediction

VALEDICTORY ADDRESS vs VALEDICTION: NOUN

A farewell oration delivered by the most outstanding member of a graduating class

A word or phrase used to end a letter or message.
A word or phrase (such as adieu or farewell) said upon leaving.
The act of parting company.
A speech made when leaving or parting company.
A word or phrase of farewell used to end a letter or message.
A speech or statement made as a farewell.
An act of bidding farewell; a leave-taking.
A farewell oration delivered by the most outstanding member of a graduating class
The act of saying farewell

Extempore, Homily, Salutatorian, Benediction, Invocation, Eulogy, Lecture, Convocation, Keynote, Speech, Oration, Keynote speech, Keynote address, Valediction, Valedictory

Soliloquy, Benediction, Swan song, Melancholy, Salutation, Eulogy, Oration, Obsequies, Elegy, Threnody, Peroration, Farewell, Panegyric, Valedictory address, Valedictory

Silver jubilee, Extempore, Homily, Salutatorian, Benediction, Eulogy, Lecture, Convocation, Keynote, Speech, Oration, Keynote speech, Keynote address, Valediction, Valedictory

Soliloquy, Benediction, Swan song, Melancholy, Salutation, Eulogy, Oration, Obsequies, Elegy, Threnody, Peroration, Farewell, Panegyric, Valedictory address, Valedictory

Valedictory address to the graduating class of Hahnemann Medical College and Hospital of Chicago, Feb.
King graduates from Crozer with a bachelor of divinity degree, delivering the valedictory address at commencement.

Nothing here needs to be overly expressive, just a simple final thought followed by a valediction will be sufficient.
For each style of salutation there is an accompanying style of complimentary close, known as valediction.
It was a mountaintop idyll; a luxuriant bath in the affirming glow of acclaim; a sunset valediction.
But the most dreaded of all is Valediction, which returns a Vampire to their original Generation for a week.
Valediction comes at the conclusion of the letter, and usually it is sincerely or faithfully.
And signing off has a long history with conventions attached to it a valediction.
No hymn, no prayer, not even a word of valediction for the dead.
End the letter with a valediction and include your name and designation.
Your valediction should mirror the tone of your opening salutation.
Glancing round, and spoke the valediction, sought some form of escape or anonymity there.