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.
Abbreviations and Acronyms. An abbreviation is a shortened or contracted form of a word or phrase used to represent the whole.1  Examples: SPA, CCD, NCAA.n general, if the acronym or abbreviation is used as a noun, no article is necessary. 1  Example: The theater production is sponsored by CAM and CLAS (not the CAM and the CLAS).