In general, when we refer to an HTML element or tag, we will use the term "element" to indicate that we are referring to all parts of the element (both the opening and closing tags).
N'ozuzu, mgbe m na-ezo aka na mmemme HTML ma ọ bụ mkpado, m ga-eji okwu ahụ bụ "mmewere" gosi na ana m ezo aka n'akụkụ niile nke mmewere (ma oghere na mmechi).