parlance

noun3

1. •
   A certain way of speaking, of using words; especially that associated with a particular job or interest.

   • To my childish fancy, it had seemed an imaginary flag-staff, or, in rustic parlance, the "liberty pole" of some former generation […] — 1836
2. •
   Of a word, the quality of being lexicalized; especially as jargon or slang.

   • Its use at a variety of levels, including the individual and organisational level, make it a varied term that has parlance in organisational development, performance management and talent management. — 2020
3. •
   (no longer used, rare) Speech, discussion or debate.

   • And without further parlance they fought, […] — 1849