Box Drawings Light Vertical and Horizontal at U+253C forms a thin four-way junction where one vertical line and one horizontal line cross. It is a printable symbol in the Box Drawing block, intended for constructing text-mode frames, grids, tables, and diagram lines with a light stroke weight. Its most common use is in monospaced terminal art and plain-text interfaces, where it marks the interior intersection of rows and columns in a drawn table. For example, command-line tools, installers, database consoles, and log viewers may use it where several thin rule lines meet inside a bordered layout. It also appears in documentation, README files, configuration examples, and puzzle or map diagrams that need a grid without images. In these settings it helps keep columns visually aligned, especially alongside related box-drawing characters for corners, tees, and horizontal or vertical rules. Because it is a box-drawing character rather than an ASCII plus sign, it is best used when the surrounding text is expected to display in a monospaced font with compatible line-drawing support. If substituted with +, the basic structure may remain understandable, but the continuous thin-line appearance is lost.
In extended ASCII: byte 197 in DOS (Alt+197)