An elevation is different. It shows the face of something, or perhaps more correct, the projection of an object/s to a plane. But my testing suggests it produces SECTIONS, not elevations.
Yes, you can use abbreviations in tables and figures. All abbreviations used in tables and figures should be defined in the table note or figure caption, respectively, even though the abbreviations will be also be defined in the text if they are used there.
Wiktionary (0.00 / 0 votes) Rate this definition: abbreviation (Noun). A shortened or contracted form of a word or phrase, used to represent the whole: Dr. abbreviation (Noun). The act or result of shortening or reducing.abbreviation (Noun). One or more dashes through the stem of a note, dividing it respectively into quavers, semiquavers, demisemiquavers, or hemidemisemiquavers. contraction is an abbreviation, but an abbreviation is not necessarily a contraction. However, normally, acronyms are regarded as a subgroup of abbreviations. Abbreviations can also be used to give a different context to the word itself, such as PIN Number.