What is the specific name of the bulk transport  cell proces…

What is the specific name of the bulk transport  cell process occurring in the figure below at this cell’s membrane surface? ( three words all lower case) The blue region on the left  is outside the cell and is water that has green and purple solutes dissolved in it. The red Y shaped structures are proteins embedded in the cell membrane that can bind to the purple solute molecules.  The tan area on the right is inside the cell and represents the cytosol  and has a coated vesicle forming–based on this answer the above question