word
...that in group theory, a word is any written product of group elements and their inverses?
...that in <a href="./Group_theory" id="mwBsE" rel="mw:WikiLink" title="Group theory">group theory</a>, a <b id="mwBsI"><a href="./Word_(group_theory)" id="mwBsM" rel="mw:WikiLink" title="Word (group theory)">word</a></b> is any written product of <a href="./Group_(mathematics)" id="mwBsQ" rel="mw:WikiLink" title="Group (mathematics)">group</a> elements and their <a href="./Inverse_element" id="mwBsU" rel="mw:WikiLink" title="Inverse element">inverses</a>?