As nouns the difference between holding and tab
is that
holding is something that one owns, especially stocks and bonds while
tab is a small flap or strip of material attached to something, for holding, manipulation, identification, etc or
tab can be (informal) a restaurant bill or
tab can be (geordie and mackem) cigarette or
tab can be a form of musical notation indicating fingering rather than the pitch of notes, commonly used for stringed instruments or
tab can be (slang) a student of cambridge university or
tab can be (
label) a tabloid newspaper.
As verbs the difference between holding and tab
is that
holding is while
tab is mark with a tab.