grid

#grid

#mesh

#lattice

#gridline

#array

#wire

#graticule

#raster

#square

#boundary

#edge

#frame

#rim

#fringe

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"> <path fill-rule="evenodd" clip-rule="evenodd" d="M4 2.5C3.17157 2.5 2.5 3.17157 2.5 4V20C2.5 20.8284 3.17157 21.5 4 21.5H20C20.8284 21.5 21.5 20.8284 21.5 20V4C21.5 3.17157 20.8284 2.5 20 2.5H4ZM12 21C12.2761 21 12.5 20.7761 12.5 20.5V12.5H20.5C20.7761 12.5 21 12.2761 21 12C21 11.7238 20.7761 11.5 20.5 11.5H12.5V3.5C12.5 3.22386 12.2761 3 12 3C11.7239 3 11.5 3.22386 11.5 3.5V11.5H3.5C3.22386 11.5 3 11.7238 3 12C3 12.2761 3.22386 12.5 3.5 12.5H11.5V20.5C11.5 20.7761 11.7239 21 12 21Z" fill="black"/> </svg>