How to translate "Placeholder" into Portuguese or Brazilian Portuguese?

Question

For example:

Use as properties within the options on the Placeholder tab

Go to the Placeholder tab to configure your code

Another example:

Go to the Placeholder tab, to insert the HTML code attached to a placeholder object.

Answer 1

Placeholder is a sign for a space that will be filled with a specific purpose or activity. In Brazilian Portuguese, the usual word for this is reserva (and its cognates):

• Use como propriedades dentro das opções na aba Reservada.

• Vá à aba Reservada para configurar seu código.

Answer 2

Here in Brazil, when a good Portuguese equivalent word is not found for the original word or expression, Brazilians tend to use the original word — as is the case of "self service".

As far as I know, a placeholder is a default text (such as "Enter URL or search term") in web navigators, as you can see in this sample image:

]1

placeholder

• literal translation: segurador de lugar
• adaptation: preenchimento.

But I think "preenchimento" is not very appropriate for this use because the placeholder does not actually fill (não "preenche") anything, it is just a text for a void space.

So I believe that the best interpretation is "exemplo"(example, sample).
Or, in the case of a picture: "moldura" (frame) or "quadro".

I would translate your sample sentences like this:

Use como propriedades nas opções da aba de exemplos.

Vá para a aba de exemplos para configurar seu codigo.

Vá para a aba de exemplos, para inserir o código HTML em um objeto de exemplo.