Posting a screenshot will speed up assistance in some situations.
A lot of questions involve people asking about spots or lines or some other physical descriptions. It would be very helpful if those questions included a screenshot. Allowing the other users to see what you are seeing can speed up the process. Here is how to take a screenshot on the various devices - How to take a screenshot on your iPhone, iPad, and iPod touch - Apple Support Here is a Youtube video for taking a screenshot - How to take, mark up, and share a screenshot on your iPhone — Apple Support - YouTube
Help us help you, post a screenshot.