Using the Action Bar

[
  {
    "description": "The [h]Action Bar[/h] is located at the bottom of the screen. This bar contains\n",
    "spriteId": "tutorial_generic",
    "text": "[t]Keyboard[/t] (use a potion as an example!)\n\n[t]Mouse[/t]\nMove the mouse cursor on the item, and [s=LeftMouse] [h]left-click[/h] the item.\n"
  },
  {
    "description": "",
    "spriteId": "tutorial_generic",
    "text": "You can also use the default attack ability on the action bar (more on that later)\n"
  }
]