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.
SDF file is an Iconics GraphWorx32 Symbol Library. GraphWorX32 is a human-machine interface (HMI) software package for process control. GraphWorX32 is a fully compliant OPC client featuring ActiveX and OLE Automation technologies.