multiple "worksheets" $($these are the tabs that one can create; by default they are named

Sheet$1,$ Sheet$2,$ and so on$...).$ This idea of an organizational hierarchy with an all encompassing

object $($i$.$e$.,$ the workboo$)$ containing a collection of other objects that are a

step down in the organizational hierarchy is analogous to how we organize text data for text

analytics. In particular, the "workbook" is analogous to

analogous to

and the "worksheet $"$is

"the corpus"; $"$NLP$"$

"the document"; "corpa" $($the plural of corpus$)$

"the corpus"; "documents"

$"$NLP$"$; "corpa" $($the plural of corpus$)$