Not too happy with you using autism to call someone dumb, but I'll leave this up assuming it was just a one-off.
Definition of sash for Students. 1  1 : a frame for a pane of glass in a door or window. 2  2 : the movable part of a window.
stripe (plural stripes) A long, straight region of a single colour. (in the plural) The badge worn by certain officers in the military or other forces. Distinguishing characteristic; sign; likeness; sort. persons of the same political stripe; A long narrow mark left by striking with a lash or rod; by extension, such a stroke. Bible, Deuteronomy xxv. 3 Forty stripes he may give him, and not exceed. Thomson Cruelty marked him with inglorious stripes. 1610, The Tempest, by Shakespeare, act 1 scene 2 Thou most lying slave, / Whom stripes may move, not kindness! (weaving) A pattern produced by arranging the warp threads in sets of alternating colours, or in sets presenting some other contrast of appearance.