A mixture of similarly styled versions of all of the above. If your asking "how" to design something, you need to look at the medium it'll be delivered to. Ap

A mixture of similarly styled versions of all of the above. If your asking "how" to design something, you need to look at the medium it'll be delivered to. Apps don't do hovering tooltips. You can build tutorials to take the place of that. When space is confined, you might use an icon with a tooltip. When space is plentiful, a verbose button is better. All of these items styled in the same style gives cohesiveness to the UI. When dealing with responsive designs such as websites, you may hide a verbose button and replace it with an icon. A user will most likely not scale a browser to see if its responsive, but a user may use a website on both a desktop and a mobile device. Most users don't understand that a responsive website is usually the same website with a little code to scale things. In other words, to use a verbose button on a desktop version but an icon on a mobile version; the user adapts because thats the interface / space constraints they expect. (2 cents)