Try and be much more precise than "Idea" Unless of course that is extremely hard mainly because of the complexity of the subject. Nevertheless, "Notion" is much better than an excessively long description that, Opposite to SDNOTDEF, tries to outline The subject. Unbiased and identically distributed random variables Strategy in https://tarot-de-jesus01099.tdlwiki.com/1494460/about_vidente_jesus