#' @slot dp Object of `DisplayPars-class`, the display settings controlling the #' look and feel of a track. See settings for details on setting graphical #' parameters for tracks. #' @slot name Object of class `character`, a human-readable name for the track #' that will be used in the track's annotation panel if necessary. #' @slot imageMap Object of `ImageMap-class`, containing optional information #' for an HTML image map. This will be created by the `drawGD` methods when the #' track is plotted to a device and is usually not set by the user.