1. A tool or instrument designed and used primarily for its practical purpose rather than aesthetic value; equipment that performs a specific function effectively
A hammer is a functional tool used for driving nails into wood.
Um martelo é uma ferramenta funcional usada para bater pregos na madeira.
2. In software or design contexts, a feature or application that performs a specific operational task
The text editor is a functional tool that helps users create and edit documents.
O editor de texto é uma ferramenta funcional que ajuda os usuários a criar e editar documentos.