[likeclockwork]

Please define "TLV", "OLV", and "lapidary".

[urbit]

Three-letter variable, one-letter variable, http://www.merriam-webster.com/dictionary/lapidary.

[tromp]

Three/One Letter Variables.

Lapidary:

(of language) engraved on or suitable for engraving on stone and therefore elegant and concise.