'"EBML Element" ... that contains three parts: an "Element ID", an "Element Data Size", and "Element Data".' RFC8794 July 2020. Extensible Binary Meta Language.
'used to uniquely identify a defined "EBML Element" within a specific "EBML Schema".' RFC8794 July 2020. Extensible Binary Meta Language.
'An expression, encoded as a "Variable-Size Integer", of the length in octets of "Element Data".' RFC8794 July 2020. Extensible Binary Meta Language.
"An EBML Element Type defines a concept of storing data within an EBML Element that describes such characteristics as length, endianness, and definition." RFC8794 July 2020. Extensible Binary Meta Language.
'"EBML Document": A datastream comprised of only two components, an "EBML Header" and an "EBML Body".' RFC8794 July 2020. Extensible Binary Meta Language.
"Matroska aims to become THE standard of multimedia container formats." Matroska.org. What is Matroska?
"Matroska is an open standards project. ... The source code of the libraries developed by the Matroska Development Team is licensed under GNU L-GPL." Matroska.org. What is Matroska?
"EBML enables the Matroska Development Team to gain significant advantages in terms of future format extensibility, without breaking file support in old parsers." Matroska.org. What is Matroska?