This document provides an overview of a course on application development with C# and .NET. The course covers fundamental C# concepts like data types, operators, arrays and strings. It also covers object-oriented programming principles, collections, delegates, events, LINQ, handling input/output with files and streams, XML, JSON, and using external code. The document is presented by Vladislav Hadzhiyski, a software engineer with 4 years of experience as a .NET web developer. Contact information is provided at the end.