A mulitlayer ceramic device improves device functionality, reduces overall device size and profile, makes manufacturing easier, and improves reliability. The light guide plate includes an incident surface, an exit surface and an opposite surface opposite to the exit surface and guides a light incident into the incident surface toward the exit surface. A user can select a portion of the time range, in response to which the graphical portion displays an indication of the selected portion and the tabular portion displays an indication of which attributes of a performance aspect of the performance data contribute to the performance aspect in the selected portion.