The C3D file format defines a method of recording information about, or associated with, the raw data contained within the file. This information is stored in objects called “parameters” which can be Floating Point, Signed Integer, Byte, or ASCII string values. Parameters are kept in collections depending on their use – these collections are called “groups” and every parameter is a member of a group.
Individual parameters have names and are generally referred to by placing the group name first, separated from the parameter name by a colon e.g., GROUP:PARAMETER