<text, programming> Space and/or tab characters added at the beginning of a line to indicate structure, e.g. indenting a quotation to make it stand out or indenting a block of code controlled by an if statement.
Indentation is important in source code for readability. There are a number of different indent styles. Some programming languages go further and use indentation as the main method to represent block structure to the compiler or interpreter, see off-side rule.
Nearby terms: incremental constraint solver « Incremental Prototyping Technology for Embedded Realtime Systems « indent « indentation » indent style » Independent Computing Architecture » Independent Logical File