Naming conventions, descriptive vs oversimplified

description.kt

private fun drop(evt : MouseEvent) {

      val mousePt = workArea.sceneToLocal( evt.sceneX, evt.sceneY )
      val targetNode = evt.target as Node
      val tileTarget = targetNode.findParentOfType(Tile::class)

      if (::inFlightTileProperties.isInitialized && isDragAndDrop) {
          if (tileTarget is Tile && workArea.contains(mousePt) &&
                  inFlightTileProperties.title.toIntOrNull() == null) {
              // find the grid tile the dragging tile drops on
              pickGridTile(mousePt.x, mousePt.y)
              root.children[1].getChildList()!!.remove(inFlightTile)

              inFlightTileProperties.width = 100.0
              inFlightTileProperties.height = 100.0
              isDragAndDrop = false
          }
      }
      e.consume()
  }