peripheral

"My printer is a helpful peripheral for my computer, allowing me to print my school assignments. "

"My peripheral vision was so good that I saw the student sneaking a peek at the answer key before the test even started. "

"The students sat in the peripheral seats of the classroom, away from the teacher's desk. "

"While the color of the folders is nice, it's peripheral to our discussion about improving the filing system. "

"The color of the presentation slides was a peripheral detail; the important thing was the data itself. "

"The projector is a peripheral piece of equipment for our classroom presentation; the main focus is the whiteboard. "

"The doctor explained that the pain in her fingers was likely due to a problem in her peripheral nervous system. "