This special container has doors on both of those ends, allowing for straightforward loading and unloading of cargo such as cars and trucks, bikes and boats. "Conex boxes" is an additional title for shipping containers. There isn't a distinction between the two; both phrases refer to the same intermodal containers https://imr-483155320.tinyblogging.com/helping-the-others-realize-the-advantages-of-40ft-containers-74005961