Unity's toolbar, depicted here, is located at the very top of the editor's interface. It spans the entire width of the window, and spacing is dependent on the current width.

The toolbar can be, theoretically, organized into the following categories: Transform Tools, Gizmo Toggles, Play Buttons, Cloud and Account Buttons, and Layers and Layouts. We covered the Play Buttons in the Game view section; the remaining toolbar categories are detailed as follows.