The Rich Content Editor (RCE) makes up all of the controls you have when creating or editing most kinds of content. Students also have a similar set of controls when responding to some question types.
The controls from left to right are:
Bold
Italic
Underline
Strikethrough
Subscript
Superscript
Non-wrapping
Link
Code
Font Color
Font Background Color
Remove Formatting
Special Characters
Text Alignment
Bulleted List
Numbered List
Reset List Styles
Decrease Indent
Increase Indent
Insert Code Block
Block Quote
Insert Image
Insert Table
Insert Shared Resource
Insert a Math Equation - MathType
Insert a Chemistry Formula - ChemType