This is the 9603rd most frequent Portuguese word.
contribua
"Contribua" means "contribute" (command or formal suggestion: "you contribute").
Here 'contribua' is used as a polite formal imperative asking someone to offer ideas towards achieving a goal.
Por favor, contribua com ideias para melhorar o projeto.
Please contribute ideas to improve the project.
Here 'contribua' is used in the subjunctive mood expressing a wish or necessity in the context of contributing positively to society.
É importante que você contribua para a sociedade de maneira positiva.
It is important that you contribute to society in a positive way.
Here 'contribua' is used in the subjunctive for expressing hope or expectation about one's actions in contribution to a discussion.