Definitions for "Block-level element"
Keywords:  break, unity, element, begins, line
an element that begins and ends a line or, put another way, that has a line break at its beginning and end
an element that has a line break before and after the content it displays
a self-contained unit of content that normally begins at the starting margin of one line and ends in a way that forces the next bit of content to appear on a new line following the block