When in Select mesh elements mode the toolbar shown in Figure 89: Select Mesh Toolbar pops up showing the Select mesh elements options.
All except the last of these icons invoke selection mode functions as described in Selection Mode Keymap:
Toggle Dynamics
Select items in a polygonal region
Select items in a circular region
Select all appropriate objects
Select all appropriate visible objects
Select all appropriate blanked objects
Cancel selection
Toggle between full and partial enclosure
Select all items attached to current selection
Select all items attached to current selection, up to a curve
Select one attached layer
Set feature angle for flood fill
Select items in a subset
Select items in a part
Select elements by numbers
Select items by Material
Select items by Property
Select mesh attached to geometry
Select all node elements
Select all line elements
Select all surface elements
Select all volume elements
In addition to the common functions, the last icon invokes a function specific to the Select mesh elements context:
Toggle selection of geometry
If toggled ON, the geometry selection toolbar will appear and geometry entities can be selected. This option is available when geometry or mesh selection would be applicable.