You can name layers to make your work easier.
Open ①the Layer window and select ②the layer you would like to name.
Tap on ①"…" button and select ②“Rename Layer”.
Tap on ①text field to enter the name. Once you are done, tap ②OK to finish naming it.
By naming your layer, you will find it easier to find your desired layer. This will let you work more efficiently.