
1) Markup language
Found on
https://www.crosswordclues.com/clue/delimiter

A delimiter is a sequence of one or more characters used to specify the boundary between separate, independent regions in plain text or other data streams. An example of a delimiter is the comma character, which acts as a field delimiter in a sequence of comma-separated values. Delimiters represent one of various means to specify boundaries in a d...
Found on
http://en.wikipedia.org/wiki/Delimiter

A character that separates items in a set of data. Among the delimiters are field delimiters and record delimiters. In the following example from a data source record used when merging documents, the commas are field delimiters used to separate fields and the semicolon is a record delimiter used to separate records, e.g. 'George', '45 Lynfield Driv …
...
Found on
http://www.encyclo.co.uk/visitor-contributions.php

a blank space, comma, or other character or symbol that indicates the beginning or end of a character string, word, or data item.
Found on
https://www.infoplease.com/dictionary/delimiter
No exact match found.