Merge down: The selected layer and the one just beneath it will merge into one layer.You won't be able to make changes to the layer until you unlock the layer. Lock layer : This protects a layer from being edited.Lock transparency: This makes it so you cannot change the opacity of a layer.Swipe to the left on this thumbnail to view the actual layer. Selecting this allows you to make a new mask thumbnail with a black dot on the left side. Create empty mask: Masks allow you to show or hide sections of your work.Cut layer: Everything on the selected layer is cut so you can paste it onto another layer.Copy layer: Everything on the selected layer is copied for you to paste onto another layer.Duplicate layer: The program will create a new layer with the same imagery as what is on the selected layer.Delete layer: If you don't need a layer, get rid of it by pressing this.Clear layer: Tap this if you want to get rid of all strokes made to a layer, but want to keep the layer itself.Hide Layer: This allows you to make the current layer invisible.Add layer: Selecting this allows you to add a new layer above the layer you currently have selected.Here are all of the options made available to you via the ellipsis button and what they do. While a layer is selected, you can view additional option for that specific layer by tapping on the ellipsis button. To make it visible again, tap the eye icon once more. You can make a layer or a layer group invisible by selecting it and then tapping on the eye icon.You can ungroup layers simply by tapping on a layer group. You'll know that multiple layers have been grouped because two blue lines will appear under the layer. Similarly, you can combine layers into a layer group by dragging one layer onto another layer. You can move layers around simply by tapping on them and dragging them to a new location.The blend mode determines how the pixels and strokes in multiple layers blend together while opacity determines how transparent a layer is. The settings button lets you change the blend mode or opacity of your image. Notice that a layer has a blue outline when it's selected. Layers are selected simply by tapping them.The + icon allows you to add new layers to your project. This layer button opens and closes the layer tab.This gives you plenty of control to get your projects looking just the way you want them to. Working in layers allows you to make changes to one section of your work without affecting the others.