U+2517 "┗" Box Drawings Heavy Up and Right Unicode Character

U+2517 "┗" Box Drawings Heavy Up and Right is a graphic symbol used in text-based interfaces and terminal applications to construct the lower left corner of a box or frame where a vertical line meets a horizontal line, with both strokes rendered as thick lines. It is part of the Box Drawing block in Unicode, which was included to support the creation of simple diagrams, menus, and charts in environments like old mainframe terminals and modern command-line tools. This specific character represents the intersection where a heavy vertical line goes upward from the corner and a heavy horizontal line extends to the right, making it useful for drawing the bottom left of a double lined box or for forming the junction in a thick border system.