What is the webpage structure and how to search for items at eSbí

Searching for items at eSbí is possible by its respective categories (categorizing by institution, collection type, material, geography (origin), dating and technique).
It is also possible to use simple full text search, which filters found matches according to the specified expression.
This search can be augmented by faceted search, which specifies (narrows) the selected already filtered set of records. 
At the portal there is also available so-called advanced search, which provides parametric (exact) filtering.