This is the 5062nd most frequent Portuguese word.
marcador
Marker.
Here, 'marcador' refers to a tool, specifically a highlighter or marker pen used for emphasizing text.
Eu uso um marcador para destacar as informações importantes na folha.
I use a marker to highlight important information on the sheet.
In this context, 'marcador' indicates the scoreboard, where scores or points are noted during a game or event.
Ele anotou o resultado no marcador do placar.
He recorded the score on the scoreboard.
Here, 'marcador' denotes the person who scores a goal, typically in sports like soccer.