...
The following screenshot shows the significant terms on the left, without any selection:
-1%20(1).png?version=1&modificationDate=1422980637061&cacheVersion=1&api=v2&height=250)
-2%20(1).png?version=1&modificationDate=1422980641335&cacheVersion=1&api=v2&height=250)
The Significant Terms configuration for facet content fields looks like the following:
...
Page Comparison
Manage space
Manage content
Integrations