Original artworks are paintings, drawings, sculptures etc. created directly by the hand of the artist. They are not original because there is a unique idea at their heart but because they are one-of-a-kind and created by a more or less established artist.
The authenticity of the artist. The work must be created with skill and excellence, but arguably what elevates one piece over another is the soul which the artist infuses into the work.
In other words, what makes art stand out is the artist's willingness to let their personal experiences shine through in the piece.
Its one-of-a-kind nature makes original fine art a 'rarity. ' Just like you, there are no other versions of this artwork out there, making it very special and valuable.
When buying original art straight from a gallery or an artist
there is always a good chance that the piece will grow in value over time because of its uniqueness and the successful development of the artist who created it.
The privilege of owning the only 'living' version of an artwork is what generally dictates the high prices achieved by notable artists and their work.