This document is a concept map created by Gregory Sanabria for a methodology of investigation course. The concept map outlines the dimensions of knowledge, including the ontological dimension concerning what is possible to know about reality and nature. The epistemological dimension concerns the relationship between the knowing subject and the object that can be known. The methodological dimension defines the problems and methods used in an organized, structured manner using three pillars: procedures, resources, and tools. Bibliographic references are provided.