a '''data structure''' is data that has discernible/addressable components. Different datas structures have different applications and performance characteristics ** See Also ** [array]: [Abstract Data Types]: [Data structures: from the bit to the Web]: [tclstruct]: [Complex data structures]: [Category Data Structure]: [Tcl Data Structure Extensions]: ** Core Data Structures ** These data structures are built-in to [Tcl]: [list]: [dict]: a [list] specialized as a [Hash] ** Data Structures ** [graph]: [linked lists%|%linked list]: [matrix]: [pool]: [queue]: [record]: [rope]: [struct::set]: [struct]: [tuple]: [stack]: [Tree%|%tree]: [trie]: [vector]: [Object%|%object]: <> Category Glossary | Category Data Structure