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Appendix c
glossary
“When I use a word,” Humpty Dumpty said, in rather a scornful
tone, “it means just what I choose it to mean—neither more nor
less.”
—L
ewis
Carroll,
Through the
Looking Glass (1896)
These definitions are the generally accepted meanings of the terms used and are
intended to provide the reader with a working knowledge of the terms.
Abstract symbol. Also called “arbitrary symbol.” A type of symbol that is not visually or
conceptually related to the object represented. Such symbols are frequently geometric
shapes, such as circles, squares, and triangles.
