Something else, since you say you have a hard time finding things.
If you want to find it in your Layer Panel- click on the object and hit the space bar. It will bring up the option- Find in World Layers Panel. Click on it and it will bring it up in the panel.
https://i.imgur.com/2Ckm8Fj.png
If you want to find something listed in the Layers Panel- *right click on it and there is the option to - find in Render Panel; click on it.
https://i.imgur.com/I76MQ6L.png
You can drag layers into other layers or separate them by dragging them. To take a layer out of another layer- as you can see I have 2 different layers in my lots layer- just click and drag one up to the very top- the world layer (has the world name on it if you named it). :)
https://i.imgur.com/6nEni2Y.png