These lines from Act III are important in the plot of the play because it gives importance to the time of the murder and also to the people involved. It is the time at which the ghost disappears and then again reappears after the lines to create a great suspense, which should get the reader hooked. (Hopefully the lines you were talking about, where the ones I was thinking about)
<em>Halloween is a holiday that many people observe on the last day of October every year. Children and adults dress in costumes and go door-to-door asking for candy. Some people host party's and serve Halloween treats such as caramel apples, popcorn and cidar. Others celebrate by telling scary stories or watching spooky movies.</em>
Every year, students elect Student Council Representatives through a democratic election procedure. Participation in school decision-making, management of student representation at all levels, submission of ideas to the school, completion of the plan, and achievement of the plan are what make them effective.