Edit Mode
In edit mode, you can move the vertices and faces of the box you created. Each vertex or face can be selected by dragging or clicking. The selected vertex or line turns green.
migration
Check "Move" on the toolbar to change to move mode.
You can move the vertex by dragging the manipulator arrow or by dragging the yellow box in the center.
You can also move vertices and faces by dragging them directly. The same applies to rotation and magnification.
revolution
Check "Rotation" on the toolbar to change to rotation mode.
You can drag the sphere of the manipulator or drag the yellow box in the center to rotate the vertex around the manipulator.
magnification
Check "Zoom" on the toolbar to change to zoom mode.
By dragging the manipulator box, you can scale the vertex around the manipulator.
By holding down the "Ctrl" key and clicking on a vertex or face, you can select or clear the desired vertex without releasing other selection states.
By enclosing each part of the model with a box, you can associate a bone with the vertex of the model.
You can also hold down the "Shift" key and click on a box to select an item from the list associated with that box.