Cytosol
Basic water fluid inside a cell
Organelles
Small specialised structures within a cell eg ribosomes produce proteins
Cytoplasm
Cell content excluding nucleus (includes the cytosol and organelles)
Anything between nucleus & outer cell membrane. Cytosol & organelles within cytoplasm.
Cell wall
Human cells do not have a cell wall (only a cell membrane).
Plant fungal and bacterial cells have cell walls.
Cell walls provide strength and rigidly to cells and surrounding the cell membrane.