For easier positioning of objects, the camera app of the LG smartphone includes a grid. when this is activated, a grid is displayed in capture mode. this can be used to better align the horizon, for example. the grid can be turned on or off in the settings.

Android 9 | LG UX 9.0
Grid lines -  Open the  Camera -App
Grid lines -  Open the  Settings
Grid lines -  Enable or Disable  Grid
  1. Open the Camera-App
  2. Open the Settings
  3. Enable or Disable Grid

LG Instructions