Identify the part of the drawing that is highlighted in blue​

A line. A segment would be any line that has a dot on each end. A ray would have a dot on one end and the other end with an arrow continuously going. A line is when there is an arrow on both sides therefore having the line go on forever. A line never stops

você precisa adicionar o problema , a fim de alguém para ajudá-lo a simplificá-lo