I would be hard pressed to offer distinctions between the two. All I can say is that as an opening song in Fiddler On the Roof, "Tradition!" works a lot better than "Custom!"
A custom is a behaviour adhered to by a group of people on a regular basis. Example shaking hands when greeting people, serving afternoon tea, or sending cards as a "Thank you". These are things done on a regular basis in an agreed upon manner. A tradition is a behaviour adhered to a group of people on specific occasions that occur regularly. Examples include Holidays, wedding decorum, and r
According to Eric Hobsbawm (1983) Custom is what people do and tradition is the formalization of those actions with material things and artifacts. For example in British courts judges pass judgements etc. 'Traditon is he wig, robe and other formal paraphernalia and ritualized practises'.
Egypt! Thanks you so much for your explanation, my third grade students are having a hard time distinguishing between the two terms. I think that by using your explanation I will be able to provide a clearer difference to them. - 3rd grade teacher from Louisiana, USA