U+236C "⍬" Apl Functional Symbol Zilde Unicode Character

U+236C "⍬" Apl Functional Symbol Zilde is a graphic symbol used in the APL programming language to represent an empty numeric vector or an empty list, often referred to as "zilde." It derives its name from a combination of "zilch" and "nil," signifying the absence of elements. In APL, this symbol is functionally equivalent to an empty array with zero dimensions and is commonly employed in array manipulation and selection operations where an empty result is expected.