Handle is a versatile word with multiple meanings:
1. As a noun: the part of an object designed to be held (e.g. door handle)
2. As a verb: to deal with or control something (e.g. handle a situation)
3. In computing: a reference to a resource (e.g. file handle)
4. In social media: a username or nickname (e.g. @yourhandle)
5. Slang: to cope with something difficult (e.g. "Can you handle the truth?")