sum

(noun): A quantity obtained by addition or aggregation.
(noun): (often plural) An arithmetic computation, especially one posed to a student as an exercise (not necessarily limited to addition).
(noun): A quantity of money.
(noun): A summary; the principal points or thoughts when viewed together; the amount; the substance; compendium.
(noun): A central idea or point; gist.
(noun): The utmost degree.
(noun): An old English measure of corn equal to the quarter.
(verb): To add together.
(verb): To give a summary of.