The right answer is the function.
If we take as an example the different cells of the human body:
Macrophages are phagocytic cells, so it has more lysosomes and peroxisomes than other cells.
Plasma cells produce a huge amount of antibodies so their nucleus, endoplasmic reticulum and Golgi apparatus are highly developed.
Muscle cells are very active cells, so they have a large number of mitochondria.
The adipocytes have the role of storing fat, and for that, they have large vacuoles ...