What does FRAGM stand for?

Fragment

A unit of disk storage that is smaller than a (4KB) page.2.A file that contains HTML tags that can be appended to a parent element.3.A sequence of captured visitor hits.4.The smallest unit of file system disk space allocation. A fragment can be 512, 1024, 2048, or 4096 bytes in size. The fragment size is defined when a file system is created.5.A portion of a table or index.6.The space allocated for an amount of data too small to require a full block.