please help with explanation

The figure below shows the architecture of the Langville & Meyer search system that we had covered in the module. B B Crawler Module User & of q Queries Results Indexing Module query-independent Ranking Module Indexes Content Index Special-purpose indexes Structure Index Answer the following questions, showing any necessary working (a) Which component has most of the unstructured data in the entire system? [1 mark] (b) State the names of components/parts A to C in the above figure. [3 marks] (c) Describe in your own words the component C and how it relates to the Ranking Module" [2 marks] (d) Name a component that significantly compresses data, and name a way of how it can achieve this. [3 marks]