<P> A main vertical stroke is called a stem . The letter m has three , the left , middle , and right stems . The central stroke of an s is called the spine . When the stroke is part of a lowercase and rises above the height of an x ( called the x height ) , it is called an ascender . Letters with ascenders are bdfhkl . A stroke which drops below the baseline is a descender . Letters with descenders are gjpqy . An arching stroke is called a shoulder as in the top of an R or sometimes just an arch , as in hnm . A closed curved stroke is called a bowl in bdopq DOPQ ; B has two bowls . A trailing outstroke , as in jy JQR is called a tail . The inferior diagonal stroke in K is called leg . A short horizontal stroke , as in the center of ef and the middle stroke of EF , is called a bar . When the strokes connect as in A and H or cross strokes as in t is also known as crossbar . A longer horizontal stroke at the top or bottom , as in ET , is called an arm . The bottom of the two - story g is called a loop ; the very short stroke at the top is called the ear . ij each have a dot , jot , or tittle . Angles of strokes are called apices if at the top and vertices if at the bottom . w has one apex and two vertices ; v has one vertex . </P>
what is the cross on a letter t called
arm