The crossword solutions for the term 'Features of 'Acros' and 'Dowwn' are TYPOS, which stands for 'Typographical Errors'. Typographical errors are mistakes in written text that occur due to a typing error or incorrect spelling. They can be caused by a variety of factors, such as a lack of proofreading, incorrect keyboard settings, or a lack of familiarity with the language. Typographical errors can have serious consequences, as they can lead to confusion and misinterpretation of the text.