Learn how to say Exteriors correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word exterior:
on the outside; outer; outermost ⇒ an exterior wall
to be used on the outside ⇒ exterior paint
originating outside; acting or coming from without ⇒ exterior forces
an outside or outside surface
an outward appearance ⇒ a misleading exterior
(US) a picture, view, stage setting, etc. of a scene outdoors