Which of the following is a graphical tool for organising and representing knowledge?

A concept map is a graphical tool for organizing and representing knowledge, showing concepts in boxes linked by labelled connecting lines.

A lesson plan is a teacher's written outline of objectives and activities for a class, not a knowledge-representation diagram.

A summary is a condensed prose restatement of content, lacking the node-and-link structure.

A diagram illustrates a single object or process but does not map relationships among many concepts hierarchically.

Concept maps place general concepts at the top and specific ones below, joined by linking words to form propositions.

Joseph Novak developed concept mapping in the 1970s, based on Ausubel's theory of meaningful learning.