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.
Abbreviation. An abbreviation is a shortened form of a word or phrase. Usually, but not always, it consists of a letter or group of letters taken from the word or phrase.For example, the word abbreviation can itself be represented by the abbreviation abbr., abbrv. or abbrev.iktionary (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.