This document provides information about key elements included in a foundation plan. It describes footings, foundation walls, piers and columns, dwarf walls, partial walls, openings, beams and pilasters, joist or truss direction and spacing, drains and sumps, foundation and footing construction details, and complete dimensions and notes. Footings distribute weight across the structure to prevent sinking. Foundation walls rise from footings to the highest ground level. Piers and columns transfer loads. Dwarf and partial walls are shorter than full height walls. The document defines these foundational elements and their purposes.