The results of operations in raster and vector graphics editors differ if the work is carried out with an object that is on top of another.
In the bitmap editor, the original image is a group of pixels, and when you move and delete, the pixels included in the selection are deleted, leaving only the white background of the stage.
In a vector editor, an image is a combination of two objects, and when moving and deleting, only the selected object is deleted, while the second object remains unchanged.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.