It moves selected vertices, lines, and faces.
It shows three arrows along with X/Y/Z axes, and you can move along with X/Y/Z axes with dragging.
When you click the top of the arrow (red, green or blue part), you can input an amount to move.
When you drag the handle with Ctrl + Shift key, you can change the direction of the handle.
And you can input a rotation angle by clicking a red, green, blue or cyan ring.
When a right button is clicked or a space key is pressed while moving a vertex, the vertex is joined to the closest vertex. The dragged vertex is not joined and is arranged at the same position if the closest vertex is in the other object.
Original | While moving the vertices by dragging, | the dragged vertex will be merged to the nearest vertex by clicking a right button with pressing a left button |