The third item is to remove format in the content which is applied.
The fourth item is used to link content to a internal or external url.
The fifth item is used to add bullent point to the content.
The sixth item is used to add number bullent point to the content.
The seventh item is used to Decrease indent to the content.
The eighth item is used to Increase indent to the content.
The ninth item is used to add image in the content here you can add extrnal image by adding the external url and internal image by select the search icon and choose the image
Note : Please don't add image by adding the url of the internal image.
The tenth item is used to add file to the content.
The eleventh item is used to add table to the content.
The twelveth item is used to add a horizontal line.
The thirteen item is used to font size to the selected content.
The fourteen item is used to see the code of the content.