Top (XZ)
Front (XY)
Side (ZY)
3D

Keyboard controls

W/A/S/D: move camera in 3d view

Q/E: move camera up/down in 3d view

X/Y/Z: constrain vertex movement to the respective axis in 3d view (also available as toggle buttons in the 3D panel)

Ctrl: select multiple vertices, edges, or surfaces

Shift: snap to grid when moving vertices

Space: temporarily switch to pan tool