1. The rank-ordered list of words or phrases in the results set. Click on
the word or phrase to see the "Keyword in Context" display,
with all entries for this word or phrase in all decades.
2. These columns
show the frequency of the word or phrase in each decade from the
1920s-2000s. If you have selected a particular century or register in
Section 1 of the search interface, the selected columns will be
highlighted in the results set.
3. If you have
selected a particular decade (or set of decades) in Section 1 of the search
interface, then this column will show the total number of hits for each
word or phrase in the selected sections.
This shows the total number of hits for all decades (whether selected or
5. Click on
this number to see the "Keyword in Context" display, with the
entries for the selected word or phrase in the particular decade for