This document provides an overview of projections of points and lines in engineering drawings. It discusses the principles of projection and defines projection planes. It then demonstrates how to project and draw the top and front views of points and lines in different positions and orientations relative to the projection planes. Examples are given of drawing the projections of points and lines, including marking the traces. Tips are provided for solving problems involving projecting inclined lines. The document recommends reference books on engineering graphics and drawing.