Which of the following is a basic representation of a system's components and their interconnections without detailed drawings?

A simplified schematic diagram serves as a straightforward representation of a system's components and their interconnections, typically omitting intricate details found in more comprehensive drawings. This type of diagram focuses on showing how components are related and interact rather than providing explicit details about each part. It's an effective way to illustrate the overall function of a system at a glance, making it easier to understand the relationships and workflow without being overwhelmed by technical specifics.

In contrast, other options may not fit this definition. A flow chart, for instance, specifically describes processes and decisions rather than components. A blueprint generally includes detailed specifications and measurements for construction or manufacturing rather than just a simple representation. Technical drawings are often more intricate, offering precise for manufacturing and engineering, which goes beyond a basic overview of interconnections. Simplified schematic diagrams, therefore, best match the criteria described in the question.