Elastic4s is mostly a wrapper around the standard Elasticsearch Java client with the intention of creating a concise, idiomatic, reactive, type safe DSL for applications in Scala that use Elasticsearch.

CLRS refers to the textbook "Introduction to Algorithms" by Thomas H. Cormen, Charles E. Leiserson, Ronald R. Rivest, and Clifford Stein. It is a standard textbook in algorithms and data structures.

A Microsoft .NET Framework (version 4+) base class for specifying dynamic behavior at run time.

In object-oriented programming languages that support multiple inheritance, the method resolution order (MRO) is the order in which parent classes are searched during dynamic method resolution.

A view is a standard (X)HTML document that can contain scripts. You use scripts to add dynamic content to a view.

A tail-call optimization is when a function returns directly the result of a called function, to avoid allocating a new stack frame. It is especially useful in recursive functions.

HRESULT is used as a return value to determine the success or failure of a function.

FPC (Free Pascal Compiler) is a 32/64-bit multi-architecture Object Pascal compiler with both Turbo Pascal, Apple Pascal and Delphi dialects.

Objects revolving around each other. Most commonly 3D objects under the (mutual) influence of gravitational pull.

A fact or fact table is the central table in a Star or Snowflake schema of a data warehouse. A fact table stores quantitative information for analysis and is often denormalized. It measures the business operations in the organization. It is included in every data warehouse or data mart.