ListBlock

A listblock is a term used in various software contexts to denote a block that groups items into a list. It can refer to a data-structural container, a user interface element, or a logical unit in a document model. In general, a listblock contains an ordered collection of items and metadata that governs how the items are stored, displayed, and interacted with. Its precise meaning depends on the surrounding system, but common features include a sequence of items, methods to add or remove items, and properties such as length or capacity.

In programming, a listblock may be implemented as an array, a linked list, or a dynamic array. The listblock may support random access by index, iterative traversal, and operations for insertion and deletion. Memory layout typically includes a head reference and a length field, with items stored contiguously or as nodes. The abstraction is used to model collections that grow or shrink and where the order of items matters.

In document models and user interfaces, a listblock represents a bulleted or numbered list block. Each item is a separate child element. Rendering rules determine indentation, numbering, and bullet style, while editing actions add, remove, or move items within the block. Listblocks help maintain structural consistency when lists are nested or styled.

In templating systems or content management workflows, a listblock may be exposed as a reusable component that renders repeated content by iterating over a data list. This enables consistent formatting and behavior across multiple lists within a document or interface.

See also: list, array, collection, block.