These are the icons used in the 3D View. Visit the given Help page to learn more.

Icon	Function	Help page
	Menu	Application Header
	Invite Users to Project	Invite Users
	View Project	Application Header
	Rotate Camera	Rotate the Model
	Single Object/Part Sector	Make Selections
	Area Selector	Make Selections
	Assembly Selector	Make Selections
	Multi-Select Mode	Make Selections
	Measure	Measurement Tools
	Markup	Markup Tools
	Clip Plane	Clipping Plane Tools
	Add ToDo	Close a ToDo
	Add View	Create Views
	Model Views	Adjust the 3D Model View
	Show All	Visibility Tools
	Ghost Mode	Visibility Tools
	Show/Hide Instructions
	Visibility Control	Visibility Tools
	Model Transparency	Visibility Tools
	Orthogonal / Perspective View	Adjust the 3D Model View
	Models Panel	Models Listing
	Layers Panel	Layers
	Attachments Panel	Use the Attachments Panel
	ToDos Panel	ToDo Listing
	Views Panel	Views Listing
	Organizer Panel	Use Organizer
	Data Table	Use the Data Table
	Clash Sets Panel	Clash Sets Listing
	Point Cloud Panel	Add Point Clouds