Try to be much more specific than "Notion" Except if that may be unachievable due to the complexity of the subject. Even so, "Notion" is much better than an excessively long description that, contrary to SDNOTDEF, makes an attempt to define The subject. Unbiased and identically distributed random variables Strategy https://bookmarkprobe.com/story19888128/details-fiction-and-tarotista-jesus