AutoCAD is a commercial software application for 2D and 3D computer-aided design (CAD) and drafting wikipedia.org

Technical drawing, also known as drafting or draughting, is the act and discipline of composing plans that visually communicate how something functions or has to be constructed. wikipedia.org

PDF conversion is the process of converting PDF documents, an ubiquitous format for digital documents, to other formats, such as Microsoft Office formats (Word, Excel, Powerpoint), HTML, and computer graphics formats (GIF, JPEG, PNG).

Estimating software for sheetfed, web, wide format, digital and variable data.

An electrical drawing, is a type of technical drawing that shows information about power, lighting, and communication for an engineering or architectural project. wikipedia.org

The engineering design process is the formulation of a plan to help an engineer build a product with a specified performance goal. This process involves a number of steps, and parts of the process may need to be repeated many times before production of a final product can begin. wikipedia.org