To quit or cease, either intentionally or unintentionally, operation or activity associated with a
of land, structures, or any premises from their intended or previous
or to replace the previous
with a new
of a different kind or class. A change of occupancy, owner, or tenant does not constitute a discontinuance or change of
.
This definition includes "discontinue", "discontinuance", "ceased" (as it refers to a use, and any other tense or version of the word "discontinued."