This International Standard defines the principal terms used to describe the various forms into which textile fibres tan be assembled, up to and including cabled yarns. It contains only terms of general application; terms and/or definitions which are specific to particular fibres (such as hemp, silk, textile glass, metal fibre, carbon fibre, etc.) are excluded. A diagram is included which illustrates the relationship between various terms from a production Point of view. This International Standard does not include terms which describe the manufacturing or processing methods, or terms used to quantify fibre and yarn proper-Ges.