This can be used to control the top bar by ordering the list of labels and can hide/unhide the labels from the top bar.
Click on the Edit Label dropdown as given below.
You can reorder the labels in the top bar by using the dots on the sidebar and dragging the required labels on the specified position.
You can use the eye button to toggle the visibility of the labels on the top-bar.
You can create a label/funnel by clicking on the Add Label/Funnel button.
You can edit or delete the label/funnel that you’ve created by clicking on the respective buttons as specified below.