The expression can be traced back to horse racing in the 1700s when goats were used to settle the horses. A young goat. An idiom is a turn of phrase that doesn't make sense when literally translated.
Description: GTF file is a General Feature Format File. The Gene transfer format (GTF) is a file format used to hold information about gene structure. It is a tab-delimited text format based on the general feature format (GFF), but contains some additional conventions specific to gene information.
Game file type. The edf file extension is associated with RF Online, originally named Rising Force, a 3D MMORPG developed by CCR. The edf file contains game data, such as textures or sounds, that are used in RF Online. This edf file type entry was marked as obsolete and no longer supported file format. This type of file is no longer actively used and is most likely obsolete.