Decrease Indent

Toolbar Button:

Shifts the indenting of the selected text to the left.

Increase Indent

Toolbar Button:

Shifts the indenting of the selected text to the right.

Align Left

Toolbar Button:

Left-justifies the selected text.

Center

Toolbar Button:

Centers the selected text.

Align Right

Toolbar Button:

Right-justifies the selected text.

Justify

Toolbar Button:

Block-justifies the selected text. The text is flush on both the left and right. Extra spaces are added between words to achieve this effect.