ROW' (3 letters) The term SEAT LEVEL is composed of two crossword solutions: TIER (4 letters) and ROW (3 letters). TIER is a term used to describe the horizontal rows of seating in a stadium, theater, or other large venue. ROW is a term used to describe the vertical columns of seating in a stadium, theater, or other large venue. Together, these two terms refer to the specific level of seating in a large venue.