The term "sum" has multiple meanings depending on its context.
In mathematics, a sum is an operation that adds two or more numbers together to obtain a total. For example, if you have three apples and your friend gives you four more, then you would say the combined total of seven apples is the result of adding the two sums of three and four. In this context, "sum" refers specifically to an aggregate amount resulting from the addition of multiple quantities.
In a more general sense, sum can also refer to the total or accumulated quantity of something. For example, if you have been working on a project for several weeks, someone might say that your hard work has resulted in a significant "sum" of progress. In this context, "sum" is used as an abbreviated way of saying "total amount."
In addition to these mathematical and general meanings, the term can also refer to a summary or compilation of information. For example, if you are writing a research paper on a particular topic, you might include a "sum" of your findings at the end as a concise recap of what you have learned.
Overall, the meaning of sum depends on its context and can vary from mathematical addition to an accumulated total or summary.