In one of our recent project we have needed Faceted Search Block by taxonomy vacabulary in search result page. This might have been straight forward but it was not due to some reason. It was my first time working on Faceted block and I am now discussing my findings here.
The requirement was:
We have some taxonomy vocabulary(Figure 1). We need to create 4 faceted block and place right sidebar of search result page. This requirement was not in the specification. We get this in our Feedback phase.