What does the absence of punctuation mean in line such as these from ''train train''

Im giving free points and brainiest to whoever gets here first lol

Which of the following describes the multimedia era? a. an era in which artists created works using paint software such as photoshop, without actually programmingb. an era of interactive technology where 3-d computer graphics were used to create a virtual environmentc. an era in which most of the computer art work centered around computer programming

The depth of people's religious feelings and how they translate those feelings into behavior. answer is ethicalism