Randomly generated strings often appear in security documentation as examples of non-human-readable identifiers or temporary session keys.
If this is a password or a keyboard shortcut you created, the "useful feature" is that it forms a geometric pattern (a zig-zag motion) which makes it easier to memorize than a random string of letters, while still appearing complex to observers. dnrweqffujtx
(e.g., developers, casual shoppers, or industry experts) or industry experts)