This is the 1654th most frequent Japanese word.
署名
"署名" means "signature" or "to sign (a document)."
In this sentence, '署名' refers to the act of signing one's name on a document as part of a formal process.
契約書に署名をする必要があります。
You need to sign the contract.
Here, '署名' represents signatures collected to support a cause or petition.
署名集めの活動を行っています。
We are conducting a campaign to collect signatures.
In this context, '署名' implies the name written by the sender at the end of a letter, showing authorship.