nService
pack
nCollection
of code replacements, patches, error corrections, new applications, version improvements, or
service-specific configuration
settings from Microsoft that corrects, replaces, or hides the deficiencies of the original product,
preceding service packs, or hot
fixes
nHot
fix
nSimilar to a service pack, except it addresses only one problem, or a small number of problems, and it may not
be fully tested