https://chainquery.com/rpc/listlabels
listlabels, Bitcoin Core RPC, ChainQuery.com
returns the list of all labels, or labels that are assigned to addresses with a specific purpose.
bitcoin corelistlabelsrpc
https://developers.google.com/workspace/drive/api/reference/rest/v2/files/listLabels?authuser=0&hl=vi
Method: files.listLabels | Google Drive | Google for Developers
google drivemethodfileslistlabelsdevelopers