to let pass; to allow through; to transmit (e.g. light, sound, etc.); to conduct (electricity); to stick through (e.g. a hole); to force through (e.g. an opening); to connect (e.g. two places)
to go by; to go past; to run (between; of a rail service, bus route, etc.); to operate (between); to go indoors; to go into a room; to penetrate
to be transparent; to be see-through; to be clear; to be clear (of a voice or sound)
to be visible through; to be seen through; to shine through
where there is a will, there is a way