Plus is a word with multiple meanings:
1. In mathematics, the plus sign (+) indicates addition or a positive value.
2. As a preposition meaning "in addition to" or "and also".
3. In commerce, indicating a slightly better version of a product (e.g., iPhone 14 Plus).
4. In informal contexts, meaning "an advantage" or "a positive aspect".
5. As a noun referring to an added amount or feature.