There is the legal definition for this term and this is the emotional definition as was my personal experience. An animation based on one of my paintings.

Michael Hafftka

An Arm's Length Transaction

From

The Hafftka Mine

Description

1/1 items

Artist
Michael Hafftka
Artist royalty
Blockchain
Ethereum
Token standard
ERC-721
Contract address
0xcf...f31f
Token
11