Successfully navigating the new Common Application involves attention to detail for each section. Even the areas that do not apply to you frequently require that you answer "no" instead of skipping over the questions. If you feel that you have completed the Common Application but don't see the green check mark that signifies that a section is complete, the most likely culprit is a question you skipped over because it did not apply to you.
Students often skip the honors section of the Common Application because they are not sure what to indicate. Think about whether you were on the honor roll, lettered in an activity or were otherwise recognized in even a small way. It is better to list something than leave that area totally blank.
If you had an illness or injury or family circumstance that caused an excessive absence, you may want to consider pointing that out in the open ended writing area at the end of the application where you are prompted to write about anything else you'd like them to know.