So let’s say that you are building a search engine for performance car parts. There are going to be a bunch of technical terms you use there that are not necessarily going to stand out in the document itself but you know them to be important. For example, the amount of boost pressure a turbo can provide or the number of pistons in a brake caliper. Is there some structured way to specify the grammar which is used for such terms and treat those as important such that when a user puts in “19psi turbo” that they don’t get a bunch of results for just “turbo” which isn’t exactly what they want?